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An object of mass 2 kg is launched at an angle of 30 above the ground with an initial speed of 40 mls. Neglecting air

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An object of mass 2 kg is launched at an angle of 30\" above the ground with an initial speed of 40 mls. Neglecting air resistance , calculate: i. the kinetic energy of the object when it is launched from the the ground. ii. the maximum height attained by the object . iii. the speed of the object when it is 12 m above the ground

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