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A ball rolls down a ramp. The ball has a mass of 1 kg and it has 18 joules of kinetic energy. What is the ball's speed?

A ball rolls down a ramp. The ball has a mass of 1 kg and it has 18 joules of kinetic energy. What is the ball's speed?
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4 votes
A ball rolls down a ramp. The ball has a mass of 1 kg and it has 18 joules of kinetic energy. What is the ball's speed?

User Ammon
by
8.6k points

1 Answer

6 votes

k = 1/2mv^2

18 = 1/2*1*v^2

v = 6 m/s

User Jasper
by
8.3k points
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