A 500 g block is released from rest and slides down africtionless track that begins

asked 2020-11-16

A 500 g block is released from rest and slides down africtionless track that begins h = 1.80 m above the horizontal, as shown in Figure. At the bottom of the track, where the surface ishorizontal, the block strikes and sticks to a light spring with aspring constant of 25.0 N/m. Find themaximum distance the spring is compressed.

Answers (1)

Using conservationof energy since there is no friction in the process.
Whenthe block is at rest at height of h = 1.80m, the total energy isthe gravitational potential energy of the block mgh.
Whenthe spring is compressed to the maximum, the kinetic energy of theblock is 0
So \(\displaystyle{m}{g}{h}={0.5}{k}{x}^{{2}}\)
m =500g = 0.5kg,
g =9.8
h =1.80
so x =0.84 m
The spring can be maximum compresses 0.84 m
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