what happens when you touch the ball with the rod? what happens when you touch the ball with the rod? the aluminum ball is repulsed by the foam rod. the aluminum ball does not interact with the foam rod. the aluminum ball is attracted to the foam rod.
Answers
The aluminum ball will be repelled by the foam rod, meaning it will be pushed away from the foam rod and move in the opposite direction.
What is the direction?The direction can be defined as the route, course, or path followed by a person, group, or thing. It is the line of orientation that guides the way in which something is directed or moved. Direction also refers to the order or path of movement, be it forward, backward, up, down, or in any other specified way. Direction is an important element in life, as it serves to guide people and objects throughout their respective journeys. It can be used to explain the various movements of people, animals, and objects in the physical world, or it can be used to describe the paths taken to reach a goal. Direction is not only physical, but also mental, as it can refer to a persons way of thinking and their overall attitude.
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Related Questions
What is the force applied to a baseball that has a mass of 142kg and has a acceleration of 30m/s to the power of 2
Answers
Using Newton's second law
\(\\ \sf\Rrightarrow F=ma\)
\(\\ \sf\Rrightarrow F=142(30)\)
\(\\ \sf\Rrightarrow F=4260N\)
consider a spherical gaussian surface and the three charges q1=2.03,q2= -3.28 and q3= 4.89. find the electric flux through the gaussian surface if it completely encloses all three charges,and supoo afourth charge is added to the situation describeb in part a find the sign and magnitude of charge required to give zero electric flux through the surface
Answers
When a spherical Gaussian surface completely encloses three charges, the electric flux through the surface can be found using Gauss's law.
According to Gauss's law, the electric flux through a closed surface is equal to the charge enclosed divided by the permittivity of the medium. Therefore, the electric flux through the surface can be calculated as follows:
Electric flux = (q1 + q2 + q3) / ε0
Substituting the given values of the charges, we get:
Electric flux = (2.03 - 3.28 + 4.89) / ε0 = 3.64 / ε0
Now, if a fourth charge is added to the situation and we want the electric flux through the same spherical Gaussian surface to be zero, then the net charge enclosed by the surface should be zero. This means that the magnitude of the fourth charge should be equal to the sum of the magnitudes of the three existing charges, and its sign should be opposite to the sum of the signs of the existing charges. Mathematically, we can write:
|q4| = |q1| + |q2| + |q3| = 2.03 + 3.28 + 4.89 = 10.2
q4 = - (q1 + q2 + q3) = -2.03 + 3.28 - 4.89 = -3.64
According to Gauss's law, the total charge encased within the surface equals the total electric flux travelling through the closed surface. Mathematical illustration,
Electric flux = q/(permittivity of vacuum) where q=total charge enclosed inside surface
As a result, a closed surface should be used to estimate the integral in Gauss's law.
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From an interdependency perspective, which of the following factors does power depend on?
A) The control of valuable resources
B) The control of access to valuable resources
C) A partner's high desire for a particular resource
D) All of the answers are correct.
Answers
D) All of the answers are correct.
Power, from an interdependency perspective, depends on all of the factors mentioned in the given options.
A) The control of valuable resources: Having control over valuable resources gives individuals or entities power because they can leverage these resources to influence others and shape outcomes.
B) The control of access to valuable resources: Controlling access to valuable resources provides power because it allows individuals or entities to regulate who can obtain those resources, creating dependency and influencing the behavior of others.
C) A partner's high desire for a particular resource: When a partner or another party has a strong desire for a specific resource, it can grant power to those who possess or control that resource. The high demand for the resource enhances the power of the resource holder in negotiations or relationships.
Therefore, all of these factors contribute to power dynamics by providing individuals or entities with advantages and leverage in various social, economic, and interpersonal contexts.
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what would be the mass of a rock falling from the sky if it hits the ground with a force of 147 N
Answers
Explanation:
we know,
F = mg
where m is mass of object and g = acc. due to gravity (9.8 ) m/ s^2
147 = m x 9.8
147/ 9.8 = m
15 = m
therefore mass of object = 15 kg
m=F/a
free-falling object is an object that is falling under the sole influence of gravity. A free-falling object has an acceleration of 9.8 m/s/s. Object is falling downward.
m= -147N/-9.8 m/s ^2
m=15kg
a car travels at a speed of 30 mph. how far does the car travel in 2 hours
Answers
Answer:
The car would travel 60 miles in 2 hours.
Explanation:
The distance for an hour is already given, 30 miles per hour.
Given this you could multiply 30 by 2 which gives you 60.
The distance of the car is its speed times the time taken. The speed of the car is 30 miles per hour and time of travel is 2 hours. Then, the distance travelled is 60 miles.
What is speed?Speed of a moving object is the measure of the distance travelled per unit time. The rate of speed is called velocity. Velocity of an object is a vector quantity.
As the object is covering more distance within small time, then the object is said to have greater speed. Speed of an object also depends on is mass.
Given the speed = 30 mph
time taken = 2 hours
distance = speed × time
= 30 × 2 = 60 miles.
Therefore, the distance travelled by the car is 60 miles.
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What must happen to light in order for an image to form
Answers
A special rocket can produce 7.66 ✕ 10^5 N of instantaneous thrust with an exhaust speed of 3.05 ✕ 103 m/s in vacuum. What mass of fuel does the engine burn each second to produce this thrust? (Enter your answer in kg/s.)
Answers
The mass of fuel the engine burn each second to produce a thrust of 7.66×10⁵ N is 2.5×10² kg/s.
What is mass?Mass can be defined as the quantity of matter contained in a body. The S.I unit of mass is kilogram(kg)
To calculate the mass the engine burns each seconds, we use the formula below.
Formual:
M = T/v............. EquationWhere:
M = Mass per seconds of the rocketT = Thrustv = VelocityFrom the question,
Given:
T = 7.66×10⁵ Nv = 3.05×10³ m/sSubstitute these values into equation 1
M = (7.66×10⁵)/(3.05×10³)M = 2.5×10² kg/sHence, the mass of fuel burned in each second is 2.5×10² kg/s.
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in an atom what is the number of protons that equal number
Answers
Answer:
The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.
Explanation:
can all alpha beta and gamma radiation treat cancer
Answers
Answer:
No
Explanation:
Only a few of alpha beta and gamma radiation can treat cancer
Which component of a galaxy consists of tiny particles that look smoky or cloudy and
can be found in the space between stars?
Answers
Cosmic Dust.
Why? When stars explode, or die, they releases dust and gas.
To solve this we must be knowing each and every concept related to galaxy. Therefore, cosmic dust of a galaxy consists of tiny particles that look smoky or cloudy and can be found in the space between stars.
What is galaxy?Galaxies are collections of stars as well as other celestial objects that are gravitationally bound. The cosmos contains and over 100 billion galaxies, each of which has stunning formations seen in photographs captured by telescopes of the far sky.
According to Samuel, a galaxy's shape is the result of continual interactions between its many components. The majority of the mass is provided by the dark matter, which uses gravity to hold everything together. Cosmic dust of a galaxy consists of tiny particles that look smoky or cloudy and can be found in the space between stars.
Therefore, cosmic dust of a galaxy consists of tiny particles that look smoky or cloudy and can be found in the space between stars.
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Help me please, it's for physics and I really need help.
Answers
Answer:
4. y = 2.38333t - 26.55 is the answer.
A light beam in air enters a transparent material at an angle of 38.00 degrees with respect to the normal. After refraction it makes an angle of 14.76 degrees with respect to the normal. Air has an ‘n’ of 1.000. What is this transparent material? USE SNELLS LAW
Answers
When a light beam enters a transparent material at an angle of incidence, the refraction takes place. This transparent material is diamond.
What is transparent material?The material through which a person can be able to see clearly, when light falls on it.
The Snell's law is the ratio of sine of angle of incidence to the sine of angle of refraction is equal to the ratio of refractive index of the two mediums.
sin i /sin r = n₂ / n₁
The angle of incidence of light is 38⁰ and angle of refraction is 14.76⁰. The air has refractive index is 1, then the refractive index of the transparent material is
n₂ = sin 38 x 1 /sin 14.76
n₂ = 2.4165
The refractive index of the transparent material is approximately 2.417.
Thus, the transparent material is diamond.
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How is energy transformed In a washing machine
Answers
Answer:
In earlier washing machine, the electrical energy is converted in rotational kinetic energy. Now a days, in washing machine, the electrical energy is converted in kinetic energy then the mechanical energy is converted into heat energy. In modern machines, we can wash and dry the clothes.
How does the observed pitch of the buzzer change as it moves
observer?
pitch of the buzzer increased (higher tone) as it moves towards the observer
The pitch of the buzzer decreased (lower tone) as it moves towards the observer
The pitch of the buzzer stayed the same no matter where it was in relationship
to the observer
Answers
The answer is
Pitch of the buzzer increased (higher tone) as it moves towards the observer
The correct option that explains the change in the observed pitch of the buzzer as it moves towards the observer is;
A; pitch of the buzzer increased (higher tone) as it moves towards the observer
This is based on the concept of doppler effect which is defined as the change in frequency/pitch of a sound that is heard by an observer due to the fact that the sound source and the observer have different velocities with respect to the medium through the sound travels.Now, according to doppler effect, when the source of the sound moves towards the observer, the frequency will increase due to the fact that the time between successive sound waves is shortened. Thus, this means that the pitch will be higher. However, when the sound source moves away from the observer, the frequency would decrease due to the fact that the time between successive sound waves or the crest is now longer. Thus, the pitch will decrease.In conclusion, the pitch of the buzzer will increase as it moves towards the observer.
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from the average (mean) time of fall, calculate the experimental gravitational acceleration. show equations and calculations.
Answers
To calculate the experimental gravitational acceleration from the average (mean) time of fall, we can use the equation:
g = (2h) / (t^2)
Where:
g is the gravitational acceleration,
h is the height from which the object is dropped, and
t is the average time of fall.
Let's assume that the height from which the object is dropped is h = 1 meter and the average time of fall is t = 2 seconds.
Substituting these values into the equation, we have:
g = (2 * 1) / (2^2)
g = 2 / 4
g = 0.5 m/s^2
Therefore, the experimental gravitational acceleration calculated from the average time of fall is approximately 0.5 m/s^2.
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What are the layers of the Sun, starting from the center and moving outward?
Answers
Answer:
There are three main parts to the Sun's interior: the core, the radiative zone, and the convective zone. The core is at the center. It the hottest region, where the nuclear fusion reactions that power the Sun occur. Moving outward, next comes the radiative (or radiation) zone.
Answer:
B.core, radiative zone, convective zone, and photosphere
Explanation:
Edge 2021
A cart with an initial velocity of 5.0 m/s experiences a constant acceleration of 2.0 m/s2. What is the cart's displacement during the first 6.0 s of its motion? *
Answers
why do these two magnets attract each other
Answers
The force that magnets use to either attract or repel one another is known as magnetism. Electric charges in motion are what generate magnetism.
What is Magnetism?The smallest building blocks of matter are called atoms. There are electrons in every atom, which are charged particles. The electrons that make up an atom's nucleus, or core, spin like tops.
The magnetism of most things is cancelled out by the equal amounts of electrons that spin in opposing directions. Because of this, substances like fabric and paper are referred to as weakly magnetic.
Most electrons in materials like iron, cobalt, and nickel spin in the same direction. The atoms in these become this way.
Therefore, The force that magnets use to either attract or repel one another is known as magnetism. Electric charges in motion are what generate magnetism.
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Two weights are connected by a massless wire and pulled upward with a constant speed of 1.50 m/s by a vertical pull P. The tension in the wire is T.
In Above:
T = P
P = T + 25 N
P = T + 100 N
T > P
P + T = 125 N
P is closest to:
245 N
125 N
1225 N
25 N
187.5 N
T is closest to:
980 N
100 N
125 N
150 N
75 N
Answers
If two weights are connected by a massless wire and pulled upward with a constant speed of 1.50 m/s by a vertical pull P and a tension in the wire is given by P = T + 25 N
For an object moving with constant speed,
a = 0
For 25 N object,
F = P - T - W
F = Net force
P = Pulling force
T = Tension force
W = Weight
W = 25 N
F = P - T - W
m a = P - T - 25 N
0 + 25 = P - T
P = T + 25 N
For 100 N object,
W = 100 N
F = T - W
0 = T - 100
T = 100 N
P = T + 25 N
P = 100 + 25
P = 125 N
Therefore,
P = T + 25 NP is closest to 125 NT is closest to 100 NThe given question is incomplete. The complete question is:
Two weights are connected by a massless wire and pulled upward with a constant speed of 1.50 m/s by a vertical pull P. The tension in the wire is T. The weights are shown in the image attached.
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what is the average speed of the object at 8 seconds accelerate without speeding up
Answers
because i said so
the answer is 80 diveded by 8 equalzzzz
can someone help me plz
Answers
Answer:
Positive I believe... because if you drop it it is negative so picking up a book means positive. thanks for the points though!
Explanation:
Can I have brainliest please? <3
Materials that are soft and porous will absorb energy causing a decrease in amplitude and energy of the sound. This is called ________ of the sound.
Answers
Answer quick!!! (Edge 2021)
Haley noticed a small spot on her skin that turned out to be skin cancer. Which treatment is her doctor most likely to use?
A) Brachytherapy
B) Superficial external beam radiation therapy
C) Radiopharmaceuticals
D) High Intensity Focused Ultrasounds
Answers
B) Superficial External bean Radiation Therapy.
Explanation:
Surgery, radiation, chemotherapy and hormone therapy can all be used to relieve signs and symptoms. Medications may relieve symptoms such as pain and shortness of breath. Palliative treatment can be used at the same time as other treatments intended to cure your cancer.
The treatment most likely to use is Superficial External bean Radiation Therapy. Then the correct option is B.
What is the electromagnetic spectrum?The electromagnetic spectrum consists of the range of all types of EM radiation. Radiation is a packet of energy that travels and spreads out.
It has radio waves, infrared waves, visible light waves, ultraviolet rays, and microwaves.
They possess high energy even to penetrate deep within the material. the electromagnetic spectrum has a longer wavelength and less frequency.
Haley noticed a small spot on her skin that turned out to be skin cancer.
Surgery, radiation, chemotherapy, and hormone therapy can all be used to relieve signs and symptoms.
Medications may relieve symptoms such as pain and shortness of breath. Palliative treatment can be used.
The treatment most likely to use is Superficial External bean Radiation Therapy.
Then the correct option is B.
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differniate between Magnetic force and electrostatic force
Answers
Answer:
magnetic force:
i) It is exerted by a magnet.
ii)Magnetic forces are always normal to the direction of the velocity of the charge it acts upon.
Electrostatic force
i) It is exerted by electrically charged body.
ii)Electric force are independent of the direction the charge moves in.
✌✌✌✌
An airplane travels for 2.5 hours at an average rate
of 130 miles per hour. Use the distance formula, d=rt, to find how
far the plane travels.
Answers
The plane travels a distance of 325 miles if the airplane travels for 2.5 hours at an average speed of 130 miles per hour. Using the distance formula (d = rt), we can calculate the distance.
To find the distance traveled by the airplane, we can use the distance formula, which is represented as d = rt. In this formula, "d" represents the distance, "r" represents the rate or speed at which the object is traveling, and "t" represents the time taken for the travel.
Given that the airplane travels for 2.5 hours at an average rate of 130 miles per hour, we can substitute these values into the formula. The rate of the airplane is 130 miles per hour, and the time taken is 2.5 hours.
Using the formula, we can calculate the distance traveled as follows:
d = rt
d = 130 mph × 2.5 hours
Multiplying the rate (130 mph) by the time (2.5 hours) gives us:
d = 325 miles
Therefore, the airplane travels a distance of 325 miles during the 2.5 hours of travel at an average rate of 130 miles per hour.
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Consider the three parts of the circuit: the top branch with two bulbs; the middle branch with one bulb; the battery.
A. Rank the current through each, from greatest to least.
B. Rank the voltage across each from greatest to least.
Answers
A) The current through the branches can be ranked as follows; 1. The middle branch 2. The top branch 3. The battery.Explanation: Current is measured in amperes, and it is the flow of electrical charge in the circuit. When we turn on an appliance, a current flows through the circuit, powering the device. It's crucial to note that current is the same at all points in a series circuit.
The formula for current is I = V/R, where V is the voltage and R is the resistance. The circuit's middle branch has only one bulb, so its resistance is lower than the resistance of the top branch. As a result, the current in the middle branch is greater than the current in the top branch. The battery has the greatest current because it is the source of the current that flows through the circuit.
As a result, the current can be ranked as follows: middle branch > top branch > battery. B) The voltage across the branches can be ranked as follows; 1. The battery 2. The top branch 3. The middle branch.Explanation: Voltage is measured in volts and is the electrical potential difference between two points in a circuit. Voltage is the same across all branches in a parallel circuit. It's crucial to note that the sum of voltages in a parallel circuit is the same as the voltage of the battery.
The voltage across the battery is the same as the voltage across the top branch since the battery is in parallel with the top branch. The voltage across the middle branch, on the other hand, is the lowest because it has just one bulb and has a lower voltage drop than the top branch. As a result, the voltage can be ranked as follows: battery > top branch > middle branch.
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Throwing a ball with more force to increase acceleration is an example of which of Newton’s Laws?
Answers
Answer:
Its the 2nd law of motion
Explanation:
Because it talks about force and acceleration
Throwing a ball with more force to increase acceleration is an example of Newton’s 2nd law of motion.
What is Newton's second law of motion?The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.Newton’s second law states that the acceleration of an object depends upon two variables – the net force acting on the object and the mass of the object. The acceleration of the body is directly proportional to the net force acting on the body and inversely proportional to the mass of the body. This means that as the force acting upon an object is increased, the acceleration of the object is increased. Likewise, as the mass of an object is increased, the acceleration of the object is decreased.To learn more about Newton’s second law, refer to: https://brainly.com/question/19030143
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find the speed of the satellite is if the mass of a satellite is doubled while the radius of its orbit remains constant
Answers
According to Kepler’s law of motion, it is stated that the time period of a planet revolving around the sun, as well as the speed of the planet, are proportional to the radius of the orbit raised to the 3/2 power.
Thus, if the radius of an orbit remains constant, the speed of the satellite will remain constant regardless of any change in mass.
But, according to the law of conservation of momentum, the product of the mass and velocity of a body is constant unless an external force acts on it.
Therefore, if the mass of a satellite is doubled while the radius of its orbit remains constant, then its speed will be halved.
Given: The mass of the satellite is doubled.
The orbit radius remains constant Find:
The speed of the satellite
Solution:
By the law of conservation of momentum
Mass × Velocity = constant Or Mass × Velocity₁
= Mass × Velocity₂
Where Velocity₁ is the initial speed, Velocity₂ is the final speed.
Now, the mass of the satellite is doubled.
Then,
2M × Velocity₁ = M × Velocity₂
Velocity₂ = 2 × Velocity₁
So, the speed of the satellite is doubled.
Answer: The speed of the satellite will be doubled if the mass of a satellite is doubled while the radius of its orbit remains constant.
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A wave generator sends waves down a long rope. The generator vibrates 600 times in 5 seconds, and creates a wave that is 0.5 m long. What is the speed of the waves created by the generator?
Answers
The waves created by the generator are traveling at a speed of 60 m/second.
The speed of a wave can be calculated by multiplying its frequency by its wavelength. In this case, the frequency of the wave is given by the number of vibrations per unit time, and the wavelength is given as 0.5 m.
The frequency of the wave generator can be calculated as 600 vibrations per 5 seconds, or 120 vibrations per second.
Therefore, the speed of the waves created by the generator can be calculated as:
Speed = Frequency x Wavelength
Speed = 120 vibrations/second x 0.5 m/vibration
Speed = 60 m/second
Therefore, the waves created by the generator are traveling at a speed of 60 m/second.
It is worth noting that the speed of a wave is determined by the properties of the medium through which it is traveling.
In this case, the speed of the wave is determined by the tension and density of the rope. If these properties were to change, the speed of the wave would also change.
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The graph shown below expresses a radical function that can be written in the form f(x)= a(x+ k)^1/n+C. What does the graph tell you about the
value of n in this function?
Answers
The value of n in the given function is negative even integer.
The given parameters:
\(f(x) = a(x + k)^{\frac{1}{n } } + c\)
When n is positive, the function is written as;
\(f(x) = a(x + k)^{\frac{1}{n } } + c\)
When n is negative, the function is written as;
\(f(x) = a(x + k)^{\frac{1}{-n} } + c\\\\f(x) = \frac{a}{(x + k)^n} + c\)
When n is odd integer, the function will have three possible curves.
When n is even integer, the function will have two curves: one real solution and one imaginary solution.
When n is positive even integer, the real solution will curve upwards.
When n is negative even integer, the real solution will curve downwards.
The plot in the given graph curves downwards which indicates negative even integer value of n.
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Answer: N is a positive even integer
Explanation: The answer above is wrong I did the quiz once alr.