A stone dropped from a cliff hits the ground 3.00 s later. Assuming the acceleration
due to gravity is 9.81 m/s2, find
a. the velocity of the stone the instant before it hits the ground
b. the displacement experienced by the stone in its fall
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velocity of stone= 9.81 × 3 = 29.43m/s^2
Displacement= 9.81 × 9 ×1/2 = 44.145 meter
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