Question: A ball, initially motionless, rolls down a 5-m ramp. It takes 2 seconds to reach the bottom, and when it reaches the bottom its speed

A ball, initially motionless, rolls down a 5-m ramp. It takes 2 seconds to reach the bottom, and when it reaches the bottom its speed is 8 m/s. What is the acceleration of the ball in m/s2? (Enter a number only, no units.)

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