large pebble is thrown straight upwards. The ball remains in the air for a total time of 12 seconds. The minimum initial upward speed of the ball (with no air drag) was A. about 60 m/s B. about 120 m/s C. about 240 m/s D. about 72 m/s E. about 90 m/s

large pebble is thrown straight upwards. The ball remains in the air for a total time of 12 seconds. The minimum initial upward speed of the ball (with no air drag) was A. about 60 m/s B. about 120 m/s C. about 240 m/s D. about 72 m/s E. about 90 m/s

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 2.13OQ: A student at the top of a building of height h throws one ball upward with a speed of i and then...

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Question

A large pebble is thrown straight upwards. The ball remains in the air for a total time of 12 seconds. The minimum initial upward speed of the ball (with no air drag) was

A. about 60 m/s
B. about 120 m/s
C. about 240 m/s
D. about 72 m/s
E. about 90 m/s

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