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Name: Two forces, of magnitudes F1 = 65.0 N and F2 = 35.0 NN, act in opposit
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Description: Two forces, of magnitudes F1 = 65.0 N and F2 = 35.0 NN, act in opposite directions on a block, which sits atop a frictionless surface. Initially, the center of the block is at position xi = -6.00 cm. At some later time, the block has moved to the rig

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 3P: A block of mass m = 2.50 kg is pushed a distance d = 2.20 m along a frictionless, horizontal table...

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Two forces, of magnitudes F1 = 65.0 N and F2 = 35.0 NN, act in opposite directions on a block, which sits atop a frictionless surface. Initially, the center of the block is at position xi = -6.00 cm. At some later time, the block has moved to the right, and its center is at a new position, xf = 3.00 cm.

What is the net work Wnet done on the block by the two forces? Express your answer numerically, in joules.

Determine the change Kf - Ki in the kinetic energy of the block as it moves from xi = -6.00 cm to xf = 3.00 cm. Express your answer numerically, in joules.

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