An egg is dropped from the window of a building. The height, in feet, of the egg t seconds after it is thrown is represented by . How many seconds after the egg is thrown it be 10 feet from the ground?
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A rock is thrown upward from a bridge that is 90 feet above a road. The rock reaches its maximum height above the road 0.86 seconds after it is thrown and contacts the road 3.28 seconds after it was thrown.
Write a function ff that determines the rock's height above the road (in feet) in terms of the number of seconds tt since the rock was thrown.
the quadratic function h(t)=-16.1t^2+150 models a ball's height, in feet, over time, in seconds, after it is dropped from a 15 story building.- From what height, in feet, was the ball dropped?-After how many seconds, rounded to the nearest hundredth, did the ball hit the ground?
5. A person leaning over a balcony throws a ball vertically upward so that its height (above the ground) t seconds after it is thrown is (128 +32t - 16t2) feet. With what velocity will the ball hit the ground?
