Author Question: A ball dropped from the top of a building has a height of s = 576 - 16t2 meters after t seconds. How ... (Read 406 times)

mynx · **on:** Dec 18, 2021

Question 1

At time t ≥ 0, the velocity of a body moving along the s-axis is

When is the body's velocity increasing?
◦ t < 3
◦ t > 5
◦ t > 3
◦ t < 5

Question 2

A ball dropped from the top of a building has a height of s = 576 - 16t² meters after t seconds. How long does it take the ball to reach the ground? What is the ball's velocity at the moment of impact?
◦ 12 sec, -96 m/sec
◦ 6 sec, -192 m/sec
◦ 6 sec, 192 m/sec
◦ 36 sec, -1152 m/sec

alexisweber49 · **Reply #1 on:** Dec 18, 2021

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