
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Transcribed Image Text:The spring has a stiffness k = 50 lb/ft and an
unstretched length of 2 ft. As shown, it is confined by the
plate and wall using cables so that its length is 1.5 ft. A
4.4-1b block is given a speed A when it is at A, and it
slides down the incline having a coefficient of kinetic
friction=0.2. It strikes the plate and pushes it forward
0.25 ft before stopping. Neglect the mass of the plate
and spring. (Figure 1).
Figure
k = 50 lb/ft
30
1 of 1
Y
Part A
Determine the speed of the block at A.
Express your answer to three significant figures and include the appropriate units.
VA 5.30
Sulgmit
ft
S
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