find ratio of KE at highest point and at time of throw if a projectile is thrown at 45 degree with horizontalfind ratio of KE at highest point and at time of throw if a projectile is thrown at 45 degree with horizontal
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The kinetic energy at the highest point is. At the highest point the velocity is ucos60(∘) ( only the horizontal component remains , the vertical component being zero at the top - most point ). Therefore kinetic energy at the highest point .
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90degree is correct answer
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