Physics
agatha
41

A ball starts from rest. It rolls down a ramp and reaches the ground after 4 seconds. Its final velocity when it reaches the ground is 7.0 meters/second. The initial velocity of the ball is meters/second, and its acceleration is meters/second2. NextReset

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euniceneal23

If it starts at rest the initial velocity is 0. For an acceleration, a, and time, t, the velocity is v=at. Since at t=4, v=7, then a=7/4=1.75m/s^2

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