COLLEGE PHYSICS,VOLUME 1
2nd Edition
ISBN: 9781319115104
Author: Freedman
Publisher: MAC HIGHER
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Chapter 4, Problem 56QAP
To determine
The maximum magnitude of acceleration of two car system
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NG SYSTEM (ACADEMIC)
al Physics I- Spring21
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A dog and a sledge are on the frictionless ice of a frozen lake, 16.3 m
apart but connected by a rope of negligible mass. The dog exerts a certain
horizontal force (N) on the rope. If magnitudes of the sledge and the dog
accelerations are 0.3 m/s? and 0.1 m/s?, respectively. How far from the
dog's initial position (m) do they meet?
Answer:
PROBLEM 2
• An elevator and its load have a total mass of
800kg.Find the tension in the supporting
cable when the elevator or lift originally
moving downwards at 10m/s is brought to
rest with a constant acceleration in a distance
25m
Answer T-9600N.Since T> W the system is
retarding.
A 2000kg car travelling at 10.0m/s collides with a 3000kg car that is initially a rest at a stoplight. The cars stick together and move 2.00m before friction cause them to stop. Determine the coefficient of kinetic friction between the cars and the road, assuming that the negative acceleration is constant and all wheels of both cars lock at the time of impact
Chapter 4 Solutions
COLLEGE PHYSICS,VOLUME 1
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