A tennis player strikes the tennis ball with her racket while the ball is still rising....

A tennis player strikes the tennis ball with her racket while the ball is still rising. The ball speed before impact with the racket is v₁ = 15 m/s and after impact its speed is v₂ = 22 m/s, with directions as shown in the figure. If the 60-g ball is in contact with the racket for 0.05 s, determine the magnitude of the average force R exerted by the racket on the ball. Find the angle β made by R with the horizontal. Comment on the treatment of the ball weight during impact.