Sarthaks Test
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Two identical steel cubes (masses 50g, side 1cm) collide head-on face to face with a speed of 10cm/s each. Find the maximum compression of each. Young’s modulus for steel = Y= 2 × 1011 N/m2.

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Hooke’s law F/A = Y(ΔL/L)

where A is the surface area and L is length of the side of the cube. If k is spring or compression constant, then F = k ΔL

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