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Physics-

General

Easy

Question

A 100 g block is connected to a horizontal massless spring of force constant 25.6 N/m. The block is free to oscillate on a horizontal frictionless surface. The block is displaced 3 cm from the equilibrium position, and at t =0, it is released from rest at x=0. The position-time graph of motion of the block is shown in figure When the block is at position B on the graph, its

position and velocity both are negative
position and velocity both are positive
position is negative and velocity is positive
position is positive and velocity is negative

The correct answer is: position is positive and velocity is negative

At position B, x is positive and dx/dt is negative

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parallel

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