A 64.0-kg runner has a speed of 4.20 m/s at one instant during a long-distance event.
Favorites|Homepage
Subscriptions | sitemap
HOME > > A 64.0-kg runner has a speed of 4.20 m/s at one instant during a long-distance event.

A 64.0-kg runner has a speed of 4.20 m/s at one instant during a long-distance event.

[From: ] [author: ] [Date: 12-11-01] [Hit: ]
......
i know the KE at instant is 564.48 J

KE= 1/2MV^2

b) If he doubles his speed to reach the finish line, by what factor does his kinetic energy change?

-
KE new = 4 (KE old)
1
keywords: distance,of,at,one,runner,long,speed,during,64.0,has,instant,kg,4.20,event,A 64.0-kg runner has a speed of 4.20 m/s at one instant during a long-distance event.
Related
New
Hot
© 2008-2010 http://www.science-mathematics.com . Program by zplan cms. Theme by wukong .