Homework Help: physics

Posted by sarah on Sunday, October 25, 2009 at 6:13pm.

a racing dog is initially running at 10.0 m/s, but is slowing down. (a) How fast is the dog moving when its kinetic energy has been reduced by half?

physics - bobpursley, Sunday, October 25, 2009 at 7:17pm
if 1/2 mv^2 is 1/2 of what it was, then veloicy must be sqrt(1/2) of what it was.

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