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podryga [215]
3 years ago
15

Mr. Phillips' car is parked on a steep hill with the brakes applied and the engine off. Because of the car's position, it has gr

avitational potential energy. How could this gravitational potential energy be transformed into kinetic energy?
A. He could push it up the hill.


B. He could release the brakes.


C. He could start the engine.


D. all of these
Physics
1 answer:
aivan3 [116]3 years ago
4 0

Answer:

The anser is b

Explanation:

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Cual es la velocidad de un atleta que recorre 800 metros en 2 minutos.
scoundrel [369]

<span>6.67 metros por segundo
~ Haga 800/120 que equivale a 6.67 porque hay 60 segundos en un minuto y hay dos minutos, entonces 60 veces 2 es igual a 180, luego configure su problema
</span>
Espero que esto te ayude:)
5 0
3 years ago
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1 poir
djverab [1.8K]

Answer:

D) 735 J(oules)

Explanation:

Work is defined as force * distance

Force is defined as mass * acceleration

Given a mass of 15 kg and a gravitational acceleration of 9.8 m/s² since the box is being lifted up, the force being applied to the box is 15 kg * 9.8 m/s² = 147 N

Since the distance is 5 meters, the work done is 147 N * 5 m = 735 N/m = 735 J, making D the correct answer.

4 0
3 years ago
Which of the following statements is NOT a correct assumption of the classicalmodel of an ideal gas?A. The molecules are in rand
Elena-2011 [213]

The answer is D, because the collision's between molecules are elastic, not inelastic.

6 0
3 years ago
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Two coffee cups one at 80 degrees c another at 60 degrees c are put into a large cup what is the final temperature of the coffee
8_murik_8 [283]
If you're trying to sum it up, it would be 140 degrees c*, otherwise it would probably be 80 degrees c since its more hotter than 60 degrees
8 0
3 years ago
Which formula represents final velocity of an object with average acceleration?
zheka24 [161]

Answer:

The equation v – = v 0 + v 2 v – = v 0 + v 2 is reflects the fact that when acceleration is constant, v – is just the simple average of the initial and final velocities.

Explanation:

hope this is it

5 0
2 years ago
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