The fast server in women's tennis is Venus Williams, who recorded a serve of 130 mi / h (209 km / h) in 2007. If her racket pushed on the ball for a distance of 0.15 m, what was the average acceleration of the ball during her serve?

Question

Physics

Marlie Mcintyre

16 July, 00:25

The fast server in women's tennis is Venus Williams, who recorded a serve of 130 mi / h (209 km / h) in 2007. If her racket pushed on the ball for a distance of 0.15 m, what was the average acceleration of the ball during her serve?

+3

Answers (1)

Know the Answer?

Keira Chavez · Answer 1

Use the formulav^2 = u^2 + 2*a*swhere v is the final velocity of the ballu is the initial velocity of the balls is the displacement of the balla is the acceleration

Givenv=130u=0s=0.1a=?

130^2 = 0^2 + 2a (0.1) solve for a

a = 84500 m/s2