1.

A spring, which is initially in its unstretched condition is first stretched by length d and then again by a further length . The work done in the first case is W1 and work done in second case is W2. Then, relation between W1 and W2 is

Answer» A spring, which is initially in its unstretched condition is first stretched by length d and then again by a further length . The work done in the first case is W1 and work done in second case is W2. Then, relation between W1 and W2 is


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