A person is pushing two boxes placed side by side with each other. What is the acceleration caused by the applied force if the net force is 243.77 N, the coefficient of kinetic friction of the boxes is 0.074 and the sum of the mass of the boxes is 98.92 kg?  Is it possible to have one of the boxes generate an applied force of149.34 N, if yes, what is the mass of the other box?   A vehicle with a mass of 2754.49 kg is being tested for its engine consumption by measuring the force it needs to move the vehicle upon covering a certain distance. If the coefficient of kinetic friction of the wheels is 0.4, the initial velocity upon the start of the measurement is 83.25 m/s and the distance set to measure the net force is 95.51 m, what is the final velocity of the vehicle? The net force is 6711 N.

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
Problem 104A
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A person is pushing two boxes placed side by side with each other. What is the acceleration caused by the applied force if the net force is 243.77 N, the coefficient of kinetic friction of the boxes is 0.074 and the sum of the mass of the boxes is 98.92 kg?  Is it possible to have one of the boxes generate an applied force of149.34 N, if yes, what is the mass of the other box?

 

A vehicle with a mass of 2754.49 kg is being tested for its engine consumption by measuring the force it needs to move the vehicle upon covering a certain distance. If the coefficient of kinetic friction of the wheels is 0.4, the initial velocity upon the start of the measurement is 83.25 m/s and the distance set to measure the net force is 95.51 m, what is the final velocity of the vehicle? The net force is 6711 N. 

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