Question

Two blocks A and B of masses 1.5kg and 0.5kg respectively are connected by a massless inextensible string passing over a frictionless pulley as shown in the figure. Block A is lifted until block B touches the ground and then block A is released. The initial height of block A is 80cm when block B just touches the ground. The maximum height reached by block B from the ground after the block A falls on the ground is
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Answer 1

Answer:

70 cm

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