In the Northern Hemisphere, how do winds rotate in a low pressure area? What about in a high pressure area?
Answers
In the Northern Hemisphere, winds rotate in a counterclockwise direction around a low-pressure area and in a clockwise direction around a high-pressure area. This phenomenon is known as the Coriolis effect.
The Coriolis effect is a result of the rotation of the Earth. As air moves from areas of high pressure to areas of low pressure, it tends to follow a curved path due to the Earth's rotation. In the Northern Hemisphere, the Coriolis effect deflects moving air to the right. As a result, air circulating around a low-pressure area is deflected to the right, causing a counterclockwise rotation.
Conversely, around a high-pressure area, air is descending and moving outward. The Coriolis effect deflects the moving air to the right in the Northern Hemisphere, causing a clockwise rotation.
It's important to note that this rotation pattern is specific to the Northern Hemisphere. In the Southern Hemisphere, the wind rotation is reversed. Low-pressure areas exhibit a clockwise rotation, and high-pressure areas have a counterclockwise rotation due to the opposite deflection of the Coriolis effect in the Southern Hemisphere.
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Related Questions
Suppose that you had an electrically charged stick. If you divided the stick in half, each half would have half the original charge. If you split each of these halves, each piece would have a quarter of the original charge. Can you keep on dividing the charge in this manner forever
Answers
Because charge is quantized, the answer is no.
which type of thermal energy transfer does a wrapping of plastic reduce the most?
Answers
a bag weighing 12 000 N whats its mass
Answers
Answer:
12000 N = 1223.66 kg
Explanation:
Because 1 newton is equal to 0.101971621 kilogram.
Which of the following properties of an astronaut changes when he or she is standing on the Moon, relative to when the astronaut is standing on Earth?
a. weight
b. mass
c. inertia
d. Nothing changes.
Answers
When an astronaut is standing on the Moon as opposed to when the astronaut is standing on Earth, the astronaut's weight changes.
Option 1 is appropriate in this scenario.
When an astronaut is standing on the Moon as opposed to when the astronaut is standing on Earth, the astronaut's weight changes. This is so because weight, which is the force of gravity acting on an object, is weaker on the Moon than it is on the Earth due to the Moon's smaller mass.
An astronaut will therefore be lighter on the Moon than they are on Earth. However, the astronaut's mass, which is a gauge of how much matter is in their body, does not change.
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EXERCISE 3 Oxygen gas is maintained at the temperature of T=30°C and a pressure P = 10 MPa. 1) Does this oxygen behave as an ideal gas? Justify your answer. 2) Calculate the specific volume v of the oxygen.
Answers
Oxygen does not strictly behave as an ideal gas, The specific volume of oxygen is 7.87 ×10⁻⁶(J.Pa/gm).
1) The ideal gas law states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.
The pressure of oxygen is given as P = 10 MPa, which is relatively high. which does not follow the ideal gas behavior.
The temperature is given as 303.15 K. These temperatures tend to deviate slightly from ideal behavior.
Ideal gases assume negligible intermolecular forces between particles.
Based on these considerations, oxygen may not strictly behave as an ideal gas.
2)
The molar volume can be calculated as:
V(m) = RT / P
V(m) = (8.314 × 303.15) / (10 × 10⁶ Pa)
V(m) = 2.52 × 10⁻⁴(J.Pa/mol)
The specific volume v can be obtained by dividing the molar volume V(m) by the molar mass of oxygen.
Specific volume v = 7.87 ×10⁻⁶(J.Pa/gm)
The specific volume of oxygen is 7.87 ×10⁻⁶(J.Pa/gm).
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which two technologies use waves to determine the location and velocity of objects
Lenses
X Rays
Sonar
Radar
Answers
Answer: sonar and radar
Explanation:
Picture
Were there experiences in his life that led to his interest in science and the study of the atom?
(i chose j.j Thomson for this worksheet)
I WILL GIVE BRAINIEST IF YOU HAVE A GOOD ANSWER and no links plz (this is worth 40 points too)
Answers
Answer:
The right answer is Democritus
Explanation:
He experienced bonding with his father which strongly resulted his interest in science and to the study of the atoms ;)
Your welcome
Democritus created the first atomic model. Democritus's experiences with his father also led to his interest in science and to the study of the atom. The atom in Democritus' model is an inert solid that interacts with other atoms mechanically. yes its me Ari
A 0. 0850-kg arrow is fired horizontally. If the bowstring exerts an average force of 89. 0 n on the arrow over a distance of 0. 782 m, with what speed does the arrow leave the bow?.
Answers
The arrow leaves the bow at a speed of 40.47 m/s.
When the arrow is released from its bow, the arrow will move and accelerate. Newton's second law of motion applies to the arrow. The formula F = ma
m = mass of the arrow (kg) = 0.0850 kga = acceleration of the arrow (m/s²)F = force (N) = 89.0 N\(a \:=\: \frac{F}{m}\)
\(a \:=\: \frac{89.0}{0.0850}\)
a = 1,047.059 m/s²
When the object has acceleration, the object will move in a non-uniform motion. The formula
v = u+atv² = u² + 2ad\(d \:=\: v_0 \times t \:+\: \frac{1}{2} \times a \times t^2\)u = initial speed (m/s) = 0 m/s (arrow stationary in bowstring)v = final speed (m/s) a = acceleration (m/s²) = 1,047.059 m/s²t = interval (s)d = distance (m) = 0.782 mv² = u² + 2ad
v² = 0² + (2×1,047.059×0.782)
v² = 1,637.6
\(v_t \:=\: \sqrt{1,637.6}\)
\(v_t\) = 40.47 m/s
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How much energy does it take to boil water for pasta? For a one-pound box of pastayou would need four quarts of water, which requires 15.8 kJ of energy for every degreeCelsius (°C) of temperature increase. Your thermometer measures the startingtemperature as 48°F. Water boils at 212°F.a. How many degrees Fahrenheit (°F) must you raise the temperature?b. How many degrees Celsius (°C) must you raise the temperature?c. How much energy is required to heat the f
Answers
The thermometer measures the starting temperature as,
\(T_1=48^{\circ}F\)The temperature required for the boiling the water is
\(T_2=212^{\circ}F\)(a). The temperature requires to boil is,
\(\begin{gathered} T=T_2-T_1 \\ T=212-48 \\ T=164\text{ F} \end{gathered}\)porque los animales tienen un esqueleto diferente -biologia
Answers
The average US house uses 10,972 kilowatt hours (kWh) in a year, an average of about 914 kWh per month. 1) hoover dammm produces about 4 billion kilowatt hours per year. How many houses can it power? 2) If the average (not hoover) dammm is 15 meters in height, how much water would have to drop out of the dam to power a house for a year?
Answers
Answer:
1) 364,564 houses
2) Approximately 2.7 × 10⁸ litres of water annually
Explanation:
The power consumption of the average household = 10,972 kWh/year
The power consumption, \(P_{(consumed/house)}\) of the average household = 914 kWh/month
The amount of power produced, \(P_{produced}\), by the Hoover Dam = 4×10⁹ kW/year
1) The number of houses, n, the Hoover Dam can power is given by the relation;
\(n = \dfrac{P_{produced}}{P_{(consumed/house)}} = \dfrac{4 \times 10^9}{10972} = 364,564.35 \ houses\)
Which is approximately 364,564 houses
2) Given the height, h = 15 m
We have at 100% efficiency,
The potential energy of the water per year = 10,972 kWh
The potential energy of the water = m×g×h
Where:
g = Acceleration due to gravity = 9.81 m/s²
∴ The potential energy of the water = m×9.81×15
Therefore, we have;
m×9.81×15 = 10,972 kWh = 10972×60 min/hour ×60 seconds/minute Joules
m×9.81×15 = 39,499,200 kJ = 39,499,200,000 J
m = 39,499,200,000/(9.81 × 15) = 268,428,134.6 kg
The volume, V, of water that would have to drop out of the dam to power a house for a year is given by the relation;
Volume = (Mass of water)/(Density of water)
V = (268,428,134.6 kg)/(1000 kg/m³)
V = 268,428.135 m³ ≈ 2.7 × 10⁸ litres of water annually.
________ is granular snow which is beginning to coalesce into glacial ice.
A) An esker B) Ablation C) A cirque D) A tarn E) Neve / Firn
please explain why the answer you selected is correct.
Answers
The correct answer is E
"Neve/Firn."
Neve/Firn is granular snow that compacts and recrystallizes over time to form glacial ice.
How does neve/firn form glacial ice?The correct answer is "Neve/Firn."
Neve or firn is the granular snow that accumulates over time and undergoes compaction and recrystallization.
As more snow accumulates on top, the underlying neve/firn becomes more compacted, and the air between the snow grains is forced out.
This process causes the neve/firn to become denser and transform into glacial ice.
An esker is a long, winding ridge of sediment that forms in a glacier's subglacial meltwater channels.Ablation refers to the melting of snow and ice from the surface of a glacier. A cirque is a bowl-shaped depression formed by glacial erosion. A tarn is a small mountain lake that forms in a cirque.Learn more about granular snow
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Someone please help me!!! Please explain and I will mark brainliest!!!
Answers
R=10+15+30
55 is the answer to the question
An airplane flies on a level path. There is a pressure difference of 587 Pa between the lower and upper surfaces of the wings. The area of each wing surface is about 100 m2. The air moves below the wings at a speed of 80.5 m/s.Estimate the air speed above the wings. Density of air is 1.29 kg/m3.
Answers
ANSWER:
85.97 m/s
STEP-BY-STEP EXPLANATION:
Bernoulli’s theorem is written as:
\(P_1+\frac{1}{2}\cdot\rho\cdot v^2_1+\rho\cdot g\cdot h_1=P_2+\frac{1}{2}\cdot\rho\cdot v^2_2+\rho\cdot g\cdot h_2\)The potential energy is zero as the height is same, therefore:
\(\begin{gathered} \rho\cdot g\cdot h=0 \\ P_1+\frac{1}{2}\cdot\rho\cdot v^2_1+0=P_2+\frac{1}{2}\cdot\rho\cdot v^2_2+0 \\ P_1+\frac{1}{2}\cdot\rho\cdot v^2_1=P_2+\frac{1}{2}\cdot\rho\cdot v^2_2 \\ \text{ we solve for }v_1\colon \\ \frac{1}{2}\cdot\rho\cdot v^2_1=P_2-P_1+\frac{1}{2}\cdot\rho\cdot v^2_2 \\ v^2_1=\frac{2}{\rho}\cdot(P_2-P_1)+\frac{2}{\rho}\cdot\frac{1}{2}\cdot\rho\cdot v^2_2 \\ v^2_1=\frac{\Delta P}{\rho}+v^2_2 \\ v_1=\sqrt[]{\frac{2\Delta P}{\rho}+v^2_2} \\ \text{ replacing the values:} \\ v_1=\sqrt[]{\frac{2\cdot587}{1.29}+80.5^2} \\ v_1=85.97\text{ m/s} \end{gathered}\)The air speed above the wings is 85.97 m/s
MORE POINTS, BRAINLIEST!!!
Explain what an electrical current is, and describe the parts of a circuit.
Answers
Answer: An electric current is a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space.
Explanation: The parts of a circut bit can easily be found online, but heres a pic i found.
A rectangular loop of wire with a cross-sectional area of 2.936 m2 carries a current of 6.488 A. The loop is free to rotate about an axis that is perpendicular to a uniform magnetic field strength of 1.108 T. The plane of the loop is initially at an angle of 59.914o to the direction of the magnetic field. What is the magnitude of the torque on the loop ?
Answers
ANSWER:
10.58 Nm
STEP-BY-STEP EXPLANATION:
Given:
Area (A) = 2.936 m²
Current (i) = 6.488 A
Magnetic field (B) = 1.108 T
Angle (θ)= 59.914°
To calculate the torque we must resort to the following formula:
\(\begin{gathered} \tau=MB\sin\alpha \\ \\ \alpha=90\degree-\theta=90-59.914\degree \\ \\ \alpha=30.086\degree \end{gathered}\)We need to know the magnetic moment, as follows:
\(\begin{gathered} M=NIA \\ \\ M=1\cdot6.488\cdot2.936 \\ \\ M=19.05\text{ A}\cdot m^2 \end{gathered}\)In this way we can calculate the torque:
\(\begin{gathered} \tau=19.05\cdot1.108\cdot\sin(30.086\degree) \\ \\ \tau=10.58\text{ Nm} \end{gathered}\)Therefore, the magnitude of the torque on the loop is 10.58 Nm
What are the characteristics of light?
Answers
Explanation:
intensity, direction, color, contrast, hardness
a car has wheels with a 8 inch radius. if each wheel's rate of turn is 6 revolutions per second, how fast is the car moving in units of inches/sec?
Answers
A automobile has 8 inch-radius wheels. If each wheel rotates at the rate of 6 revolutions per second, the car is moving at a speed of 301.71 inches per second.
What exactly does speed mean?the definition of speed. a direction or speed at which an object's location changes. The distance traveled relative to the time it took to travel that distance is how fast something is moving. Due to its lack of magnitude and merely having a direction, speed is indeed a scalar number.
Which of these is the first speed rule?Newton's first law states that a body will continue to move until it is acted on by an external power if it is at rest or moving in a specific direction at a fairly constant pace.
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A train leaves the station heading south on the tracks. It takes the train 5 seconds to reach 50 miles per hour. It completes the entire 100-mile trip in two hours. Calculate the train's average speed and velocity over the two-hour trip. Show your work. Identify if each of the measurements are a scalar or vector quantity
Answers
The manufacturer of a 1.5 V D flashlight battery says that the battery will deliver 9 mA for 40 con- tinuous hours. During that time the voltage will drop from 1.5 V to 1.0 V. Assume the drop in volt- age is linear with time. How much energy does the battery deliver in this 40 h interval
Answers
The battery delivers approximately 0.45 Wh (watt-hours) of energy in the 40-hour interval.
To calculate the energy delivered by the battery, we need to find the total charge and the average voltage over the given time period.
1. The current delivered by the battery is 9 mA (milliamperes) for 40 continuous hours. To find the total charge (Q) delivered, we can use the formula: Q = I × t, where I is the current and t is the time.
2. Converting the current to amperes, we have I = 9 mA = 0.009 A.
3. The time is given as 40 hours, which we convert to seconds: t = 40 hours × 3600 seconds/hour = 144,000 seconds.
4. Calculating the total charge, Q = (0.009 A) × (144,000 s) = 1,296 C (coulombs).
5. The average voltage (V_avg) over the time interval can be approximated as the average of the initial and final voltages: V_avg = (V_initial + V_final) / 2.
6. Substituting the given initial and final voltages, V_avg = (1.5 V + 1.0 V) / 2 = 1.25 V.
7. The energy delivered (E) is given by the formula: E = Q × V_avg, where E is the energy, Q is the charge, and V_avg is the average voltage.
8. Plugging in the values, E = (1,296 C) × (1.25 V) = 1,620 J (joules).
9. To convert joules to watt-hours, we divide by 3,600 (since 1 watt-hour is equal to 3,600 joules): E ≈ 1,620 J / 3,600 = 0.45 Wh.
10. However, the problem specifies that the voltage drop is linear with time, so we can approximate the average voltage over the time period as (V_initial + V_final) / 2.
11. Thus, recalculating the energy, E ≈ (1,296 C) × (1.25 V) = 1,620 J.
12. Converting joules to watt-hours, E ≈ 1,620 J / 3,600 = 0.45 Wh.
Therefore, the battery delivers approximately 0.45 Wh (watt-hours) of energy in the 40-hour interval.
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More potential energy can be stored by moving against the magnetic force closer to a magnet?
Answers
Answer:
if your saying can it? then yes or if you are asking what type of magnetic force then its fr its actual self magnetic force
Explanation:
Which term names the cone-shaped underwater volcanic mountains?.
Answers
Answer:
Is this multiple choice answers?? Or fill in the blank??
Explanation:
Match each term with its best description.
Metamorphic
rock
Foliation
Burial
metamorphism
Parent rock
?
?
?
?
The original rock before it
metamorphoses.
Parallel alignment of platy
grains.
A rock changed by heat,
pressure, and fluids.
A process that changes
rock because of pressure
with equal intensity from
Answers
Metamorphic rock: A rock changed by heat, pressure, and fluids.
Foliation: Parallel alignment of platy grains.
Burial metamorphism: A process that changes rock because of pressure with equal intensity from all sides.
Parent rock: The original rock before it metamorphoses.
Metamorphic rock: A rock changed by heat, pressure, and fluids. The word metamorphic means change in form. Metamorphic rocks are made by rocks that have been altered in some way. This can happen through heat, pressure, and fluids. Examples of metamorphic rocks include slate, gneiss, and marble.
Foliation: Parallel alignment of platy grains. Foliation is a term used to describe the parallel alignment of platy grains in a metamorphic rock. This is caused by pressure during metamorphism. The platy grains can be minerals like mica or clay.
Burial metamorphism: A process that changes rock because of pressure with equal intensity from all sides. Burial metamorphism is a process that changes rock because of pressure with equal intensity from all sides. This can happen when rocks are buried deep within the earth's crust.
Parent rock: The original rock before it metamorphoses. The parent rock is the original rock before it metamorphoses. This rock is changed into a metamorphic rock through the process of metamorphism.
To summarize, metamorphic rock is a rock that has been changed by heat, pressure, and fluids. Foliation refers to the parallel alignment of platy grains. Burial metamorphism is a process that changes rock because of pressure with equal intensity from all sides. The parent rock is the original rock before it metamorphoses.
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the photo shows a swimmer pushing off the side of a pool
Answers
Answer:
Every action has an equal and opposite reaction.
Explanation:
Answer:
An action-reaction force pair
Explanation:
Snow on the ground prevents polar climate systems from gaining heat by what mechanism?
Question 7 options:
Heating by greenhouse gases
Snow reflecting solar radiation
Heat spread from the equator
Release of heat from Earth's core
Answers
The characteristics of the thermal heating mechanisms allow to find the correct answer for how snow prevents soil heating is:
b) Snow reflecting solar radiation.
The heating of the system occurs by absorption of energy by three basic mechanisms:
Conduction. It occurs when the bodies are in constant and energy is transferred by the oscillations of the elements of the body, but there is no physical displacement of parts of it. Convection. This mechanism occurs mainly with liquid and gases, it is due to the displacement of masses of the element due to its greater energy. Radiation. In these mechanisms there is no physical contact and the energy is transferred by the emission of electromagnetic waves.
In this case, the snow receives electromagnetism waves from the sun, a large part of these waves are reflected by the snow, therefore they do not reach the ground and cannot be absorbed, thus decreasing its heating.
Let's analyze the claims:
a) False. Greenhouse gases do not interfere with snow on the ground.
b) True. This mechanism reduces radiation heating.
c) False. The heat that comes from the equator warms the air.
d) False. Heating by the Earth's core occurs everywhere and comes from the center of the earth, so it does not interact with snow.
In conclusion, with the characteristics of the thermal heating mechanisms, we can find the correct answer for how snow prevents soil heating is:
b) Snow reflecting solar radiation
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what region of the solar spectrum can cause a dangerous sunburn
Answers
:
ultraviolet B
Explanation:
Which is not a solar quantity
a. acceleration
b. distance
c. speed
d. time
A twisted or kneading force is also called
a. normal force
b. perpendicular force
c. tension
d. torsion
Which does not belong to the group?
a. electromagnetic force
b. frictional force
c. gravitational force
d. nuclear force
contact force: applied force;______: nuclear force
a. friction
b. noncontact force
c. normal force
d. sun
speed: velocity; _______: ______
a. acceleration: vector
b. distance: displacement
c. speed: acceleration
d. time: scalar
acceleration: velocity; velocity_______
a. displacement
b. distance
c. speed
d. vector
Answers
Answer:
1. A: acceleration
2. D: torsion
3. C: gravitational force or possibly B: frictional force
4. B: noncontact force
5. B: distance: displacement
6. C: speed
Help please!!!! Why is it especially important to not waste energy from fossil fuels?
Answers
They have a limited supply in nature, therefore if they are used excessively, they will become exhausted.
What is the fossile fuel?Today, we recognise that using fossil fuels has a negative impact on the environment. Fossil fuels produce and utilise local pollutants, and their continued use permanently alters the temperature of our entire world.
Wastes from combustion sources are those that result from carbon pollution (i.e., coal, oil, natural gas). Included in this are all ash and particles taken out of the flue gas.
The fossile fuel is limited in nature. So, it should not waste energy from fossil fuels.
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You are dating rocks by their proportions of parent isotope potassium-40 (half-life 1.25 billion years) and daughter isotope argon-40. Find the age for each of the following.A rock that contains seven times as much argon-40 as potassium-40.Express your answer using three significant figures.
Answers
The age of the rock is 3.512 billion years.
What are 3 types of rocks?
1. Igneous rocks
2. Sedimentary rocks
3. Metamorphic rocks
For the first rock, the number of potassium-40 atoms is equal to the number of argon-40 atoms. That can only happen when when one half life cycle has elapsed. Therefore the age of this rock is indeed 1.25×109 years. Now let us calculate the age of the second rock sample. Let us say that the number of potassium-40 at the beginning was N0 and the number of potassium-40 after a particular time t us N. There after 1.25 billion years, N= N0 /2. Now we know the decay constant. This means that every second,5.54×10-10 atoms of potassium-40 decay into argon-40. We can use this decay constant to calculate the time required for the number of argon-40 to be 7 times as much as potassium-40. We want the time required to get the condition N = N0/7. So the correct answer is 3.512 billion years.
Therefore, the age of the rock is 3.512 billion years.
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The age of the rock is approximately 42 million years, calculated using the equation (7/8) = (1 - \(e^{-kt}\) ) with k = ln(2)/1.25 billion years and solving for t.
What is the dating of rock?
The dating of rocks refers to the process of determining the age of rocks or geological events using various techniques, such as radiometric dating, relative dating, and stratigraphy. Radiometric dating involves measuring the ratio of parent and daughter isotopes in a rock, while relative dating involves determining the order of events in geological history. Stratigraphy involves analyzing the layers of sedimentary rocks to determine the relative age of the rocks and the events they represent. These techniques are used by geologists to study the history of the Earth and the processes that have shaped it over time.
The ratio of argon-40 to potassium-40 in a rock can be used to determine the age of the rock based on the half-life of potassium-40. The equation for the decay of potassium-40 to argon-40 is:
K-40 --> Ar-40 + e-
where e- represents an electron and a neutrino.
The half-life of potassium-40 is 1.25 billion years, which means that half of the original amount of potassium-40 will decay to argon-40 in 1.25 billion years. After another 1.25 billion years, half of the remaining potassium-40 will decay, and so on.
If a rock contains seven times as much argon-40 as potassium-40, that means the ratio of argon-40 to potassium-40 is 7:1. We can set up the following equation to solve for the age of the rock:
(7/8) = (1 - \(e^{-kt}\))
where k is the decay constant for potassium-40, t is the age of the rock, and e is the mathematical constant approximately equal to 2.71828.
The decay constant for potassium-40 can be calculated using the following formula:
k = ln(2)/t1/2
where ln represents the natural logarithm and t1/2 is the half-life of potassium-40.
Plugging in the values, we get:
k = ln(2)/1.25 billion years = 0.00055 \(years^{-1}\)
Substituting k into the first equation and solving for t, we get:
t = -ln(7/8)/0.00055 \(years^{-1}\) = 42 million years
Therefore, the age of the rock is approximately 42 million years.
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Question 3
A door is 24 inches wide and can swing open 140°.
140°
What reference angle should be used to find the distance from the wall to the edge of the door?
Select Choice ✓
What is the distance, in inches, from the wall to the edge of the door? Round to the nearest tenth of an inch.
The distance is Select Choice inches.
Answers
the distance, in inches, from the wall to the edge of the door is 8.2 inches.
We must utilise the reference angle that makes a right triangle with the wall and the edge of the door in order to determine the distance between them. The reference angle is 90° - (140°/2) = 20° since the door swings open by 140°.
To get the distance from the wall to the edge of the door, let's utilise trigonometry. Let x represent the distance from the door's edge to the wall. Next, we have:
sin(20°) = x/24
When we multiply both sides by 24, we obtain:
x = 24*sin(20°)
Calculating the answer, we discover:
x ≈ 8.2
Therefore, 8.2 inches or so separate the wall from the door's edge. The distance, rounded to the nearest tenth of an inch, is 8.2 inches.
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