Question: On Planet Z, the position function of a free- falling object is given by: s ( +) = - 3+ + 15+ + 72 Where's

 On Planet Z, the position function of a free- falling object

On Planet Z, the position function of a free- falling object is given by: s ( +) = - 3+ + 15+ + 72 Where's is measured in meters and t is measured in seconds ( a ) Determine the velocity function for the object ( b ) Determine the gravitational acceleration of Planet Z. Be sure to indude units. ( c ) Find the average velocity of the object on the interval [4 , 79 . Be sure to include units ( d ) Find the velocity of the object at impact . Be sure to include units

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