Q. A golfer strikes a ball so that it ?ies a distance(d) away, landing a height(h) above its original elevation. The time of ?ight of the ball is-
a) Find the initial vertical component of the velocity of the ball.
b)Find the size of the initial velocity of the ball.
c) Find the angle above the horizontal of the initial velocity of the ball.
d) Find the maximum elevation of the ball.