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Fawz Naim Grade:

Two blocks P and Q each of mass m are connected by a massless spring of natural length L and spring constant k. The blocks are initially resting on a smooth horizontal floor with the spring at its natural length. A third identical block R of mass m moves on the floor with a speed v along the line joining P and Q.Then

a-the kinetic energy of the P-Q system at maximum compression along the spring is zero.

b-the kinetic energy of P-Q system at maximum compression of the spring is mv^2/4

c-the maximum compression of the spring is v*sqr root(m/k)

d-the maximum compression of the spring is v*sqr root(m/2k)

7 years ago

Answers : (1)

879 Points

Dear student,

The correct option is d)

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

7 years ago
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