A golfer standing on level ground hits a ball
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A golfer standing on level ground hits a ball with
a velocity of u = 52 m/s at an angle a above thehorizontal. If tan a = 5/12, then the time intervalfor which the ball is at least 15 m above theground (i.e. between A and B will be : (take g =10 m/s)15 m15 m(1) 1 sec(2) 2 sec(3) 3 sec(4) 4 sec