Block A with a mass of 2.25 kg rests on a tabletop. It is connected by a horizontal cord passing over a light, frictionless pulley to a hanging block B with a mass of 1.30 kg. The coefficient of kinetic friction between block A and the tabletop is 0.450. After the blocks are released from rest, determine the following:

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
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 14OQ: An object of mass m is sliding with speed vi at some instant across a level tabletop, with which its...
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Block A with a mass of 2.25 kg rests on a tabletop. It is connected by a horizontal cord
passing over a light, frictionless pulley to a hanging block B with a mass of 1.30 kg. The
coefficient of kinetic friction between block A and the tabletop is 0.450. After the blocks
are released from rest, determine the following:
A
B
(a) free-body diagram of each block;
(b) speed of each block after moving 3.00 cm? (Ans: 21.8 cm/s)
(c) tension in the cord (Ans: 11.7 N)
Transcribed Image Text:Block A with a mass of 2.25 kg rests on a tabletop. It is connected by a horizontal cord passing over a light, frictionless pulley to a hanging block B with a mass of 1.30 kg. The coefficient of kinetic friction between block A and the tabletop is 0.450. After the blocks are released from rest, determine the following: A B (a) free-body diagram of each block; (b) speed of each block after moving 3.00 cm? (Ans: 21.8 cm/s) (c) tension in the cord (Ans: 11.7 N)
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