1. A worker pulls a crate 10.0 m by exerting a force of 300 N. (a) How...
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(a) How much work does the worker do?
(b) How much work does the worker do pulling the crate a distance of 10.0 m by exerting the same force at an angle of 20.0° with the horizontal?
2. A hammer falls from a scaffold on a building 50.0 m above the ground. Find its speed as it hits the ground.
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Related Book For
Applied Physics
ISBN: 978-0132109277
10th Edition
Authors: Dale ewen, Neill schurter, P. erik gundersen
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