Asked by Ali
At what displacement the instantaneous velocity become equal to half of its maximum velocity? Plz help me
Answers
Answered by
bobpursley
Depends on the acceleration. If acceleration is constant
vf=at
so when is v=1/2 vf=a*(t/2)
answer, v is one half final velocity at t/2
but displacement is 1/2 a t^2, so because of the square, when time is 1/2 final time, displacement must be 1/4 the final displacement.
vf=at
so when is v=1/2 vf=a*(t/2)
answer, v is one half final velocity at t/2
but displacement is 1/2 a t^2, so because of the square, when time is 1/2 final time, displacement must be 1/4 the final displacement.
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