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Paavai
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Asked: 2021-02-09T10:10:18+00:00 In:

A projectile is fired with Kinetic energy 1 KJ. If the range is maximum, what is its Kinetic energy, at the highest point ? Ans: here 1/2 mv²=1 KJ = 1000j, θ=45°

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NCERT Solutions for Class 11 Science Kinematic 2
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Kinematic
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2020-2021cbsechapter 2class 11class 11 sciencekinematicncertphysicsscience
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    1 Answer

    1. At the highest Point, K. E.= 1/2 m(v cos θ)²= mv²/4 = 1000/2 = 500J

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