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A particle is projected at an angle of projection alpha and after time t seconds it appears to have a an angle of Beta with the horizontal. the intital velocity is:

A particle is projected at an angle of projection alpha and after time t seconds it appears to have a an angle of Beta with the horizontal. the intital velocity is:

Grade:11

1 Answers

Hari Sundar Pyda
48 Points
6 years ago
We know that the horizontal component of a projectile doesn`t change with time as it is not under the influence of any acceleration. So the velocity of x axis is constant. Vx= VoCosΦV0Cos alpha= V0Cos betaAlpha=betaTherefore, initial velocity= V0Cos alpha= V0Cos beta.

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