Q. 35

# A cricket fielder

Answer :

Given:

The initial horizontal velocity of the ball with respect to the fielder = vocosθ

The initial vertical velocity of the ball with respect to the fielder = vosinθ

The final horizontal velocity of the ball with respect to the spectator = vx = u + vocosθ

The final vertical velocity of the ball with respect to the spectator = vy = vosinθ (a) The effective angle to the horizontal at which the ball is projected in air as seen by a spectator can be found as,

tanθ =  (b) Let t be the time of flight.

The displacement in y direction is 0.   (c) Let R be the horizontal displacement.  (d) For R to be maximum, should be equal to 0.     (e) When u = vo,   When, u << vo

We can assume,  u << vo, so we can say that When, u >> vo

We can assume,  (f) When u = 0, =45 Rate this question :

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