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Grade: 12
        

block is acted by spring of k.and weak friction force f.block pulled x from equilibrium and released.oscillates and finally comes to rest.find decrease in amplitude in each oscillation

7 years ago

Answers : (1)

somy chaturvedi
10 Points
							

by work energy theorem, 

1/2 kx^2 =f{x+a}+1/2ka^2 

x-a= 2f/k

x-a is the decrease in the amplitudean dconstant for each cycle.

7 years ago
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