Transcribed Image Text: Bob has just finished climbing a sheer cliff above a level beach and wants to figure out how high he climbed

Transcribed Image Text: Bob has just finished climbing a sheer cliff above a level beach and wants to figure out how high he climbed. All he has to
use is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher and knows
that the fastest he can throw the ball is about vo = 32.1 m/s. Bob starts the stopwatch as he throws the ball, with no way
to measure the ball’s initial trajectory, and watches carefully. The ball rises and then falls, and after t1 = 0.510 s the ball is
once again level with Bob. Bob cannot see well enough to time when the ball hits the ground. Bob’s friend then measures
that the ball hit the ground x =
128 m from the base of the cliff. How high above the beach was the ball when it
was thrown?
V.
initial height: 27.1
Incorrect

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