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Author Question: An astronaut tosses a ball out in space where gravitational forces may be neglected. What will ... (Read 51 times)

Hungry!

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on: Aug 1, 2020

Question 1

An all-terrain vehicle of 2000 kg mass moves up a 15.0° slope at a constant velocity of 6.00 m/s. The rate of change of gravitational potential energy with time is

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5.25 kW.

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24.8 kW.

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30.4 kW.

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118 kW.

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439 kW.


Question 2

An astronaut tosses a ball out in space where gravitational forces may be neglected. What will happen to the ball?

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It will stop as soon as the force the astronaut gave it is used up.

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It will stop when the energy the astronaut gave it runs out.

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It will stop after a short time because there is no gravity to keep it moving.

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It will move in a circle like a boomerang.

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It will be slowed down very gradually by collisions with molecules in space.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by Hungry! on Aug 1, 2020

meryzewe

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Reply #1 on: Aug 1, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Hungry!

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Reply 2 on: Aug 1, 2020
Great answer, keep it coming :)

kilada

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Reply 3 on: Yesterday
Gracias!

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