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svlad2 [7]
3 years ago
10

Which of the following is not true about the Law of Conservation of Energy?

Physics
2 answers:
SVEN [57.7K]3 years ago
8 0

By definition, the law of conservation of energy states that:

Ei = Ef

Where,

Ei: initial energy

Ef: final energy

Therefore, no matter the type of energy, always the final energy is equal to the final energy.

Energy can be transformed into another type of energy. For example, the potential energy can be transformed into kinetic energy.

Also, energy is not created, nor destroyed.

Answer:

The following is not true about the Law of Conservation of Energy:

A. It states that the total energy in the universe keeps increasing.

goldenfox [79]3 years ago
8 0
A, it states that the total energy in the universe keeps increasing.
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Convert 7.93 lbs into grams. Hint: 1 kg = 2.2 lbs
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Answer:

7.93 lbs is equal to 3596.987 grams.

Explanation:

The weight in grams is equal to the pounds multiplied by 453.59237.

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Hope that helped!

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1. The picture below shows Jamal pushing with a 100-Newton (N) force on a large box. Neither
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Answer:

100 newtons

Explanation:

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Jamal pushing a large box by a force, F = 100 N

Work done on the large box is, W = 0

It is because the applied force is less than the force of the friction between the two surfaces.

Yet, there will be a force that is exerted by the large box on Jamal.

According to newton's third law of motion, every action has an equal and opposite reaction. The reaction force is in the direction opposite to the force of action. But, their magnitude remains the same.

                                        F_{a} =-F_{r}

Hence, If the action force is 100 N, then the reaction force should be in 100 N

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4 years ago
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When potential energy ___________ , kinetic energy increases.
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When potential energy <u>decreases</u>, kinetic energy increases.

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The default unit of rotational speed is 'radians per second' or 'rad/s'. If a someone sits at the edge of a 5m radius carousel a
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The rotational speed of the person is 0.4 rad/s.

<h3>Rotational speed (rad/s)</h3>

The rotational speed of the person in radian per second is calculated as follows;

v = ωr

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ω = v/r

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Thus, the rotational speed of the person is 0.4 rad/s.

Learn more about rotational speed here: brainly.com/question/6860269

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