A ball is thrown vertically upward with an initial speed of 100 ft/sec from the base A of a cliff with H = 69 ft. Determine the distance h by which the ball clears the top of the cliff and the time t after release for the ball to land at B. Also, calculate the magnitude of the impact velocity vg. Neglect air resistance and the small horizontal motion of the ball. h = to Answers: t= A VB = i i H ft sec ft/sec

A ball is thrown vertically upward with an initial speed of 100 ft/sec from the base A of a cliff with H = 69 ft. Determine the distance h by which the ball clears the top of the cliff and the time t after release for the ball to land at B. Also, calculate the magnitude of the impact velocity vg. Neglect air resistance and the small horizontal motion of the ball. h = to Answers: t= A VB = i i H ft sec ft/sec

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Conservation of Energy

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Question

A ball is thrown vertically upward with an initial speed of 100 ft/sec from the base A of a cliff with H = 69 ft. Determine the distance h
by which the ball clears the top of the cliff and the time t after release for the ball to land at B. Also, calculate the magnitude of the
impact velocity vg. Neglect air resistance and the small horizontal motion of the ball.
Answers:
h =
to
t=
VB =
i
i
Mi
H
ft
sec
ft/sec

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