Two blocks of mass 4 kg and 3 kg are each initially 7 m above the ground and they are connected with each other by massless cord that passes over massless and frictionless pulley. The pulley is 20 m above the ground. 2.5 s after system is released, a naughty boy cuts the cord. What maximum height does the lighter object reach after the system is released? Select one: a. 14.6 m b. 10.2 m с. 14.2 m d. 12.0 m е. 15.0 m
Two blocks of mass 4 kg and 3 kg are each initially 7 m above the ground and they are connected with each other by massless cord that passes over massless and frictionless pulley. The pulley is 20 m above the ground. 2.5 s after system is released, a naughty boy cuts the cord. What maximum height does the lighter object reach after the system is released? Select one: a. 14.6 m b. 10.2 m с. 14.2 m d. 12.0 m е. 15.0 m
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
Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 8.21P: A toy cannon uses a spring to project a 5.30-g soft rubber ball. The spring is originally compressed...
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