Asked by Sujata
If a particle is projected at an angle of 30° to the horizontal with kinetic energy E then its kinetic energy at the topmost point would be?
Answers
Answered by
Scott
the horizontal velocity is the total velocity multiplied by cos(30º)
at the topmost point, there is no vertical velocity
... so the K.E. is ... E cos²(30º)
at the topmost point, there is no vertical velocity
... so the K.E. is ... E cos²(30º)
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