What initial speed must the ball have

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Reference no: EM13326814

1. A ball rolls off a table and falls 0.81 m to the floor, landing with a speed of 5.5 m/s.

(a) What is the acceleration of the ball just before it strikes the ground?

m/s2

(b) What was the initial speed of the ball?

m/s

(c) What initial speed must the ball have if it is to land with a speed of 6.3 m/s?

m/s

Reference no: EM13326814

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