A ramp 20 m long slopes down 1.2 m to the edge of a lake. A force

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A ramp 20 m long slopes down 1.2 m to the edge of a lake. A force of 300 N is needed to pull a boat on a trailer at constant speed up the ramp when they are clear of the water. If friction is negligible, what is the combined mass of boat and trailer?

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The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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