Question #69900

A penny is dropped from rest from the top of the Willis Tower in Chicago. Considering that the height of the building is 1400 ft and ignoring air resistance, find the speed of the penny just before the penny strikes the ground.

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Assignment Expert05.09.17, 17:18Dear visitor,

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Nayeli05.09.17, 02:15A ball is thrown downward with an initial speed of 25m/s from the top of a 210 m tall building. At the same time, another ball is thrown upward from ground level with a speed of 25m/s. At what distance from the bottom do the two balls pass each other?

Nayeli05.09.17, 02:07A baseball is thrown upward with an initial speed of 35 m/s.

a) What is the maximum height attained by the baseball?

b) What is the total time of flight for the baseball?

c) What is the velocity of the ball at t= 2.0s and t=5.0 s

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