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A student is holding a ball as he steps onto a tall elevator on the ground...

A student is holding a ball as he steps onto a tall elevator on the ground floor. The student holds the ball at a height of 1 meter above the elevator floor. The elevator begins to accelerating upward from rest at 3m/s^2. After it accelarates for 5 seconds find,

A) The Velocity of the elevator.

B) Find the height of the elevator above the ground

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