60 year-old tennis player/coach Rich Conti was amazed to see his forehand swing speed increase from 60 to 80 mph (http://www.swing-speed.com) after just 12 m...
Join Tennisopolis : Tennis Social Network
Physics explanation using the toy propeller is very interesting!
Welcome toTennisopolis : Tennis Social Network
Sign Up (free)or Sign In
Or sign in with:
© 2015 Created by Mark / The Mayor.
Report an Issue |
Terms of Service
Please check your browser settings or contact your system administrator.