Test Academy | In a shotput event an athlete throws the shotput of mass 10 kg with an initial speed of 1m s⁻¹ at 45° from a height 1.5 m above ground. Assuming air resistance to be negligible and acceleration due to gravity to be 10 m s⁻² , the kinetic energy of the shotput when it just reaches the ground will be 2.5 J, 5.0 J, 52.5 J, 155.0 J

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In a shotput event an athlete throws the shotput of mass 10 kg with an initial speed of 1m s⁻¹ at 45° from a height 1.5 m above ground. Assuming air resistance to be negligible and acceleration due to gravity to be 10 m s⁻² , the kinetic energy of the shotput when it just reaches the ground will be

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2.5 J
5.0 J
52.5 J
155.0 J

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