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Tuesday, 2 April 2013

Q.No.3.13: - At what point or points in its path does a projectile have its minimum speed, its maximum speed?

Q.No.3.13: - At what point or points in its path does a projectile have its minimum speed, its maximum speed?
Ans: - (i) The speed of projectile is minimum at the maximum height because the vertical component is zero at the maximum height.
 (ii) The speed of a projectile is maximum at the point of projection and also just before it strikes the ground (level of projection) because the vertical component of velocity vy is maximum at these points.

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