Asked by suzzy

what is the flow of matter and energy??
Answered by Ms. Sue
http://www.jiskha.com/display.cgi?id=1271456323

Answered by Jacquie
A 50 g tennis ball hits a racket at 30 m/s, is in contact for 5 ms, and then rebounds at 30 m/s. Calculate the average force the racket exerts on the tennis ball.
There are no AI answers yet. The ability to request AI answers is coming soon!