A block of mass 5kg is placed on a rough horizontal surface with a coefficient of sliding friction of 0.3. The block is attached to one end of a spring with a spring constant of 100 N/m. The other end of the spring is fixed to a wall. The spring is initially undeformed. The block is initially at rest and then is pulled to the left by a constant force of 100 N throughout its motion. 100 N
A block of mass 5kg is placed on a rough horizontal surface with a coefficient of sliding friction of 0.3. The block is attached to one end of a spring with a spring constant of 100 N/m. The other end of the spring is fixed to a wall. The spring is initially undeformed. The block is initially at rest and then is pulled to the left by a constant force of 100 N throughout its motion. 100 N
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Transcribed Image Text:A block of mass 5kg is placed on a rough horizontal surface with a
coefficient of sliding friction of 0.3. The block is attached to one end
of a spring with a spring constant of 100 N/m. The other end of the
spring is fixed to a wall. The spring is initially undeformed. The block
is initially at rest and then is pulled to the left by a constant force of
100 N throughout its motion.
100 N
m www
a. What force does not do work?
b. What is the total work done on the block from being at rest to being
pulled to a distance of 0.4m to the left, from its initial position?
c. Speed of block after being pulled to move a distance of 0.4m?
d. What is the longest deformed length of the spring before the block
temporarily stops after being pulled.
e. What is the acceleration of the block when spring reaches its
longest deformed length?
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