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(A) 10 kW (B) 9.8 kW (C)15kW (D) 4.9 kW A light spring of length 20 cm and force constant 2 kg/cm is placed vertically on a table. A small block of mass I ke falls on it. The length h from the surface of the table at which the ball will have the maximum velocity is (A) 20 cm (B) 15 cm (C) 10 cm (D) 5 cm

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