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A 6kg rock rolls down a hill with a momentum of 12kg m/s . Work out the velocity of the rock
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28 votes
28 votes
A 6kg rock rolls down a hill with a momentum of 12kg m/s . Work out the velocity of the rock

User Vic Nmkf
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3.2k points

2 Answers

11 votes
11 votes

Answer:

Momentum= mass x velocity

So velocity= Momentum/mass= 12/6= 2m/s

User Victor Kmita
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2.4k points
16 votes
16 votes

Answer:

if you need to get the work=force×displacement or if you need the velocity=displacement÷time taken

User Yanky
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2.9k points
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