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AIEEE 2005 Physics Solved Paper

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Question : 12

Total: 74

A spherical ball of mass 20‌kg is stationary at the top of a hill of height 100m. It rolls down a smooth surface to the ground, then climbs up another hill of height 30m and finally rolls down to a horizontal base at a height of 20m above the ground. The velocity attained by the ball is

20 m/s
40 m/s
10√30 m/s
10 m/s

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