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ivann1987 [24]
2 years ago
7

What happens to an object's kinetic energy as it falls from some height?

Physics
1 answer:
natulia [17]2 years ago
7 0

Answer:

The objects kinetic energy increases as it falls from some height.

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How much gravity does an apple with 50n have?
hram777 [196]

Answer:

hope you like it

Explanation:

Another way to perceive this is 1 G = 9.81 Newtons per Kilogram so 50 G =490.5 Newtons per Kilogram. The 100 gram apple at 1 G has 0.981 Newtons of force and at 50 G has an apparent weight of 5 KG or 49.05N.

7 0
3 years ago
A cylinder contains a gas at a temperature of 400K. Explain two ways that you can add energy to the gas and raise its temperatur
Lelechka [254]
Heat

You can usually warm something by adding energy. The added energy can be from light, electricity, friction, a chemical reaction, nuclear reaction, or any other kind of energy. When first added to a substance, energy might be concentrated in one atom, but this one will soon bump into others and spread the energy. Eventually, every atom or molecule in the substance will move a bit faster. When the added energy is spread throughout a substance, it is then called heat energy, thermal energy, or, simply heat. All three terms mean the same thing. Heat is a form of energy, so it has the units of energy. In the SI system, this is Joules. Many other units to measure thermal energy are in common use. Calories and BTU's are common heat units.

Temperature

You cannot measure heat directly, but you can detect its effect on a substance. Changes in heat can usually be detected as changes in temperature. Usually, when you add energy to a bunch of atoms they move faster and get hotter. Similarly, if you remove energy from a bunch of atoms, they usually move less and get cooler.
5 0
3 years ago
The extraction of oil from oil shales can be detrimental to the environment mainly because this process requires large amounts o
zheka24 [161]
I believe the correct answer would be A. The extraction of oil shale is detrimental to the environment mainly because the process of extraction requires large amounts of land. Lands are being excavated in order to locate areas which contains the oil. This is not good since it affects ecosystems and destroy habitats.
5 0
4 years ago
Read 2 more answers
The energy per unit volume in an electromagnetic wave is: ________
Marianna [84]

Answer:

c.

Explanation:

Electromagnetic waves are waves that are generated when an electric field and a magnetic field vibrate together. They are usually created whenever an electric field collides with a magnetic field.

In more generic terms for an electric field, the energy per unit volume is given by:

Energy density = \dfrac{1}{2}\varepsilon _oE^2

For magnetic field:

Energy density =\dfrac{\beta^2}{2 \mu _o}

∴

For the electromagnetic wave (u):

Total energy density is:

u = \dfrac{1}{2}\varepsilon_oE^2 + \dfrac{\beta ^2}{2 \mu_o}

Due to the fact that the energy related with both fields is equivalent:

Then:

E = cB

6 0
3 years ago
In the formulas for latent heat of fusion and latent heat of vaporization, what does Q represent?
Anestetic [448]

Answer:

IT'S A

the amount of heat released or absorbed by a substance

Explanation:

PLEASE MARK ME AS BRAINLIEST

7 0
3 years ago
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