A particle is projected at an angle theta from horizontal with kinetic energy K what is the kinetic energy of particle at highest point
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At initial point
K = 0.5mu² ……[1]
At highest point it’s velocity is equal to uCosθ
K’ = 0.5m (uCosθ)²
K’ = 0.5mu² Cos²θ
K’ = K Cos²θ ……[∵ from (1)]
Kinetic energy of particle at highest point is K Cos²θ
K = 0.5mu² ……[1]
At highest point it’s velocity is equal to uCosθ
K’ = 0.5m (uCosθ)²
K’ = 0.5mu² Cos²θ
K’ = K Cos²θ ……[∵ from (1)]
Kinetic energy of particle at highest point is K Cos²θ
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