drummerking70 drummerking70

24-01-2017
Physics

contestada

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 0.11 m, what was the average acceleration of the ball during her serve?

Respuesta :

scme1702 scme1702

30-01-2017

209 km/h = 58.0 m/s

2as = v² - u²
Assuming the ball started from rest,

a = (58)² / 2 x 0.11

a = 15,290 m/s²

Answer Link

Otras preguntas

A solution has a pH of 13. What is the pOH?

Most of Europe is made up of what land form?

Johan used the table below to show the sample space for choosing an outfit for school.Which outfit is part of Johan’s sample space?·black pants, white shirt·gra

Someone PLZ Help :The processor of a computer communicates to the other parts of the computer through a code that consists of what? As and Bs Xs and Os 1s a

Help please I don’t understand

What is the similarity ratio of a cube with volume 216 m³ to a cube with volume 2744 m³ A. 3:7 B. 7:3 C. 36:196 D. 196:36

what is the distance between the points (-6, 7) and (-1, 1)

argentina migration patterns

What are the coordinates of A’ after reflecting across the line x = 3? (2, 3) (3, 2) (3, 4) (3, –2)

What is the sum of the first 6 terms of the series -1+4-16+...