start 7. A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45.. With what speed was it thrown? 20 m 45 A. 14 m/s B. 28 m/s C 20 m/s D 40 m/s E. 32 m's

start 7. A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45.. With what speed was it thrown? 20 m 45 A. 14 m/s B. 28 m/s C 20 m/s D 40 m/s E. 32 m's

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 34P: A marble rolls off a tabletop 1.0 m high and hits the floor at a point 3.0 m away from the table’s...

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start
7. A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of
45.. With what speed was it thrown?
20 m
45
A. 14 m/s
B. 28 m/s
C 20 m/s
D 40 m/s
E. 32 m's

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