Convert the following (using conversion factors): 0.0062m³ = ____ cm³

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Let's solve your problem:

We will convert your number, 212°F, to Kelvin and Celsius.

212°F is equal to 100° Celsius.

Now, let's do the Kelvin convert.

To convert Celsius to Kelvin, we have to add 273.5 to the amount of Celsius.

100° + 273.5 = 373.5

We have all our conversions. Finally, let's set them out.

Fahrenheit: 212°F

Celsius: 100°C

Kelvin: 373.5°K

Answer:

High pitch means small wavelength, and the size of a musical instrument is directly related to the wavelengths of sound it produces. So a small instrument creates short-wavelength sounds. Similar arguments hold that a large instrument creates long-wavelength sounds.

Explanation:

Answer:

Trabajo realizado = 600 Nm

Explanation:

Dados los siguientes datos;

Fuerza = 200 Newton

Distancia = 3 metros

Para encontrar el trabajo realizado; Trabajo realizado = fuerza * distancia

Sustituyendo en la ecuación, tenemos; Trabajo realizado = 200 * 3

Trabajo realizado = 600 Nm

The total momentum after collision is 143.466 kgm/s.

The momentum of a body is the product of the mass and the velocity of the body.

Assuming the right direction as positive and left direction as negative:

Momentum to the right = 46.3 * 5.24 = +242.612 kgm/s

Momentum to the left = 55.4 * -1.79 = -99.166 kgm/s

Total momentum before collision =  +242.612 kgm/s - 99.166 kgm/s

Total momentum before collision = 143.466 kgm/s

Thus, total momentum after collision is 143.466 kgm/s.

In conclusion, momentum is conserved in an isolated system of colliding bodies.

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Answer:

a wedge.

Explanation:

it moves when you apply force to one end of the wedge.

Answer:

Pedal / Front Gear = 18 / 9 = 2

Front Gear /Rear Gear = 9 / 4 = 2 1/4

Rear Gear / Wheel = 4 / 33 = .121

2 * 2 1/4 * .121 = ,55

C) Seems true

Answer: The apple is lifted approximately 0.1232 m (rounded to four decimal places).

Explanation: To find the distance the apple is lifted, we can use the formula for work: work = force x distance.

The force required to lift the apple is equal to the weight of the apple, which can be calculated using the formula:

weight = mass x acceleration due to gravity.

we have work = weight x distance, 5.4 J = (0.178 kg x 9.81 m/s^2) x distance.

Solving for distance, we get a distance ≈ of 0.1232 m (rounded to four decimal places).

Here is an article on work, force, and distance in physics: https://byjus.com/physics/work-energy-power/#:~:text=The%20work%20done%20by%20a,only%20magnitude%20and%20no%20direction.

Cart 1 experiences the bigger change in kinetic energy, and this change is independent of the cart's beginning velocity.

An object's kinetic energy is the energy it has as a result of motion. Applying force is necessary if we wish to accelerate an object. We have to put forth work to apply a force. After the job is finished, the object will be travelling at a new, constant speed because energy has been transferred to it. The energy of motion, or kinetic energy, can be seen in the movement of an item or subatomic particle. Kinetic energy is present in every moving object and particle.The formula for kinetic energy is stated as K E = 1 2 m v 2. Where m is the body's mass, v is its velocity, and KE is its kinetic energy.

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The processes under chemical change are: cooking an egg, fireworks exploding, and rusting of a metal tool.

The processes under physical change are: melting ice, evaporating puddle of water, and dissolving of salt in water.

Given:

The following process:

To find:

The classify the processes in whether it does or does not produce a new substance.

Solution:

Chemical change, due to change in atomic arrangement egg get solidified on cooking, a new substance is formed.

Physical change, change in the state of matter is taking from solid to liquid, no new substance is formed.

Chemical change. formation of carbon dioxide gas and sound energy, anew substance formed

Physical change, change in the state of matter is taking from liquid to gas, no new substance is formed.

Chemical change, formation of oxides on the surface of the metal tool due to reaction between air and metal, a new substance is formed.

Physical change, ions of salt in the solid state are changing into aqueous ions with no formation of new substance, no new substance is formed.

The processes under chemical change are: cooking an egg, fireworks exploding, and rusting of a metal tool.

The processes under physical change are: melting ice, evaporating puddle of water, and dissolving of salt in water.

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Sara pushed a box of lab equipment along the ground, displacing it by 1 meter. she has done work on the box of lab equipment.

When a force is applied and an object is moved over a specified distance, a work has been completed. The following formula is used to calculate an object's work,

W = Fd

Where, F is the applied force, and d is the object's displacement.

Therefore ,Sara has therefore completed her work on the box of lab equipment when she moves it by 1 m.

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Answer:

pogggs

Explanation:

When the earth wire is connected to the metal case of the washing machine, it provides an alternative pathway for electric current to flow if there is a fault, such as if the live wire touches the metal case. The earth wire is connected to the ground, which has zero potential, so any current that flows through the earth wire will not harm a person who touches the metal case. This is because the person's body is also at zero potential (ground potential) and there will be no potential difference (voltage) across the person's body, which means no electric current will flow through the person's body. Therefore, connecting the earth wire to the metal case of the washing machine ensures that any electrical faults will be safely conducted away from the person, reducing the risk of electric shock or electrocution.

Answer: she will do double the work

Explanation:

100N×200m= 20000

Force applied by the girl is 100 Newtons

Displacement is twice :

\( \large \boxed{ \mathrm{work \: \: done = f \times d}}\)

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ANSWER:

7 m/s

STEP-BY-STEP EXPLANATION:

Given:

Initial velocity (u) = 4 m/s

Acceleration (a) = 1.5 m/s^2

Time (t) = 2 s

We can calculate the final velocity using the following formula:

We replace and calculate the value of the final velocity:

The final velocity is equal to 7 m/s.

Shawn's speed relative to Susan's reference frame is approximately 21.33 mph.

To determine Shawn's speed relative to Susan's reference frame, we can use the concept of vector addition. Since they are moving in different directions, their velocities can be treated as vectors.

Let's consider Susan's reference frame as the stationary frame of reference. In this frame, Susan's velocity is 0 mph because she is not moving relative to herself. Therefore, we can calculate Shawn's velocity relative to Susan by considering their relative velocity.

Using vector addition, we can find the relative velocity by subtracting Susan's velocity vector from Shawn's velocity vector. Since Susan is driving north, her velocity vector would point upwards, while Shawn is driving east, so his velocity vector would point to the right.

The magnitude of Shawn's velocity relative to Susan's reference frame can be calculated using the Pythagorean theorem:

Relative speed = \(\sqrt{(Shawn's velocity)^2 - (Susan's velocity)^2}\)

Given:

Susan's velocity = 59 mph (north)

Shawn's velocity = 55 mph (east)

Relative speed = \(\sqrt{(55 mph)^2 - (59 mph)^2}\)

= \(\sqrt{3025 mph^2 - 3481 mph^2}\)

= \(\sqrt{(-455) mph^2}\)

≈ 21.33 mph

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The electric field lines in sites far from the region between electric charges are analogous to the magnetic fields in locations far from the dipole.

A magnetic moment, also referred to as a dipole moments, is a measure of an object's tendency to align with a magnetic field. The "Magnetic Moment" is the magnetically pull and orientation of an electromagnetic or other object that produces a magnetic field. The magnetic moment is a type of vector quantity.

The dipolar moment, which would be defined as the product of the torque a material receives in a magnetic field, is used to determine the distribution of both negative and charges in a system.

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(a) The activity of the radiation source is 145 Bq. (b) The activity of the radiation source is 3.92 x 10^-3 Ci.

The activity of a radioactive source is defined as the rate of decay of radioactive atoms within it. The number of counts recorded by a radiation detector is proportional to the activity of the source. In this case, the detector recorded 8700 counts in 1 minute, so the activity of the source is 8700 counts per minute (cpm).

To convert cpm to becquerels (Bq), we use the conversion factor 1 Bq = 1 decay per second (dps), so the activity is 8700/60 = 145 Bq. To convert to curies (Ci), we use the conversion factor 1 Ci = 3.7 x 10^10 dps, so the activity is 145/3.7 x 10^10 = 3.92 x 10^-3 Ci.

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Answer:

atlanta

Explanation:

just took the test

The reference point in this scenario is Atlanta.

The can be described as the starting point of the entire journey.

From the given statements the family started the journey from Atlanta and then traveled to Baltimore.

Atlanta is the start point (reference point) while Baltimore is the destination (finishing point).

Thus, the reference point in this scenario is Atlanta.

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Answer:

Newtons first law of motion explains what happens in a car crash because it basically states that the passenger will continue to travel at the same velocity until an unbalanced force acts on he or she. The force that will act upon he or she would be the window, so you should always wear a seat belt!

Explanation:

According to Newtons first law of motion, a passenger tends to continue in the state of uniform motion even after the accident which causes the passenger to move forward.

According to the Newtons first law of motion, an object will continue in a state of rest or uniform motion unless it is acted upon by an external force. This is also known as the law of inertia.

While in a car undergoing uniform motion and suddenly the car is involved in an accident which causes the vehicle stop abruptly, a person suddenly moves forward because of the tendency to continue in the former state of uniform motion according to Newtons first law.

A seat belt helps to prevent the person from suddenly moving forward in a way that may lead to injury as a result of the accident.

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Answer:

According to the law of conservation of energy, energy cannot be created or destroyed, although it can be changed from one form to another. KE + PE = constant. ... As the car coasts down the hill, it moves faster and so it's kinetic energy increases and it's potential energy decreases.

Explanation:

just simplify this on paraphraser.io you should be good

Answer:

80 J

Explanation:

PE = mgh

PE = (4 kg)(9.8 m/s^2)(2 m)

PE = 78.4 J and with sig figs, it would be 80 J

Answer:

\(\boxed{V_{i} = 5\ m/s}\)

Explanation:

Given:

Acceleration = a = 0.75 m/s²

Time = t = ?

Final Velocity = \(V_{f}\) = 72 km/hr = 20 m/s

Required:

Initial Velocity = \(V_{i}\) = ?

Formula:

a = \(\frac{V_{f}-V_{i}}{t}\)

Solution:

For  \(V_{i}\)  the formula becomes:

\(V_{i} = V_{f}-at\)

\(V_{i}\)  = 20 - (0.75)(20)

\(V_{i}\)  = 20 - 15

\(V_{i}\)  = 5 m/s

In Case: If you want it in km/hr:

\(V_{i}\)  = 5 * 3.6

\(V_{i}\)  = 18 km/hr

Answer:

5 m/s

Explanation:

acceleration = 0.75 m/s²

time = 20 s

final velocity = 72 km/h = 20 m/s

initial velocity = ?

Apply formula for initial velocity.

\(u=-at+v\)

\(\sf a=acceleration\\t=time\\v=final \: velocity\\u=initial \: velocity\)

Solve for u.

\(u=-(0.75)(20)+ 20\)

\(u=-15+20\)

\(u= 5\)

Explanation:

C. Both energy and matter

Answer:

mercury

Explanation:

The planet with the smallest mass must have the smallest gravitational pull - which is mercury, with a pull of approx. 0.38 times the Earth's gravitational pull.

Answer:

Its true

Explanation:

Answer:

D

Explanation:

Waves with long wavelength and low  energy are used more in medical field. High energy waves are hazardous to cells. Hence, option B is correct.

Electromagnetic waves are waves that can pass through vacuum as well as through a medium. They are associated with an electric field and magnetic field.

The electromagnetic waves which are longer in wavelength are radio waves, microwaves and IR. They have low frequency and lower in energy. Short wavelength high energy waves are UV, x-rays and gamma rays.

In medical field long wavelength waves are more used to treat disease  such as cancer. Radio waves are used to treat cancer. High frequency, high energy waves are more used in diagnostic purposes. Such as in x-rays, detection of cancer cells etc.

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Answer:potential difference is more or less like voltage. Using ohms, V=IR

Where V is Voltage

I is Current =0.4A

R is Resistance=20ohms

V=0.4*20

V=8V

Hence the potential difference will be 8V.

ii) V=0.4*30

V=12V

Explanation:

The voltage of potential difference is directly proportional to the current and the resistance. So if one increase or decrease, it will have impact on the other.

From the calculations, when the resistance increase, the voltage will increase to appreciate the change.

So 245×10³ N/m the force needed to open the hatch from the inside.

We are aware that pressure rises as we go deeper into any liquid, even water.

Following are the changes in fluid pressure with depth.

P = ρgh

Here, represents the fluid's density.

The height of the liquid column is equal to h and the acceleration caused by gravity is g.

Keep in mind that gh represents the pressure increase caused by the liquid column, while the actual pressure would be

P =  ρgh  + P₀

P₀ is the atmospheric pressure

Hatch present at height 25m

Diameter of the hatch = 0.45m , Radius = 0.225m

Pressure inside the submarine = 1 atm

Pressure on hatch from outside = 1 atm + ρgh

Pressure from inside the submarine on the hatch = 1 atm

Net pressure on the hatch = ρgh

ρgh = 10³ × 9.8 × 25 = 245×10³ N/m.

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