Problem 2 A 7-kg block is released from rest at A and slides down the smooth circular surface from A to B with radius r= 4 m and 0 = 60°. It then continues to slide along the rough horizontal surface from B to the wall, with µk = 0.2, until it strikes the spring at C, with b= 3 m and k = 225 N/m. B Note that the horizontal surface continues to be rough under the spring, to the right of C. a. What is the velocity of the block when it reaches point B? b. How far does it compress the spring before its velocity goes to zero?. c. How high will it rebound towards A before its velocity goes to zero again?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Problem 2
A 7-kg block is released from rest at A and slides
down the smooth circular surface from A to B with
radius r= 4 m and 0 = 60°. It then continues to
slide along the rough horizontal surface from B to
the wall, with uk = 0.2, until it strikes the spring at
C, with b = 3 m and k= 225 N/m.
Note that the horizontal surface continues to be
rough under the spring, to the right of C.
a. What is the velocity of the block when it reaches point B?
b. How far does it compress the spring before its velocity goes to zero?
How high will it rebound towards A before its ve
goes to zer
in?
c.
Transcribed Image Text:Problem 2 A 7-kg block is released from rest at A and slides down the smooth circular surface from A to B with radius r= 4 m and 0 = 60°. It then continues to slide along the rough horizontal surface from B to the wall, with uk = 0.2, until it strikes the spring at C, with b = 3 m and k= 225 N/m. Note that the horizontal surface continues to be rough under the spring, to the right of C. a. What is the velocity of the block when it reaches point B? b. How far does it compress the spring before its velocity goes to zero? How high will it rebound towards A before its ve goes to zer in? c.
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