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Author Question: A 2-kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the ... (Read 38 times)

Cooldude101

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on: Jul 29, 2018
A 2-kg car moving towards the right at 4 m/s collides head on with an 8 kg car moving towards the left at 2 m/s, and they stick together. After the collision, the velocity of the combined bodies is __________ m/s pointing __________.
 Fill in the blank(s) with correct word

Question 2

Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.After the dropped box hits the floor, its kinetic energy is converted into ____________.
 Fill in the blank(s) with correct word


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Anna

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Reply #1 on: Jul 29, 2018
Answer to Question 1

0.8, towards the left

Answer to Question 2

internal energy


Cooldude101

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

Zebsrer

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Reply 3 on: Yesterday
Excellent

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