Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: The Laws Of Motion
Section: Chapter Questions
Problem 4P: The average speed of a nitrogen molecule in air is about 6.70 102 m/s, and its mass is 4.68 1026...
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A. What is the magnitude of the average force, in newtons on a 0.022 kg bullet to accelerate it to speed of 595 m/s in a time of 2.2 ms?
B.an acrobat with a mass of 49 kg jumps on a trampoline. What force does a trampoline have to apply to accelerate her straight up at 7.7 m/s^2 in newtons,
C.a 53 kg sprinter start race with am acceleration of 5.8 m/s^2. What the magnitude of next external force on him in N?
D. In the figure , the net external force on the 24 kg mower is known 51 n.if the force of friction opposing the motion is 22n what force f in newtons is the person exerting on the mower?
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