Homework Help: physical science explorations

Posted by Peter S. on Tuesday, August 25, 2009 at 10:26pm.

A player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6 m/s in 2 seconds. how 1. much did the hockey puck accelerat?

2. how much force was exerted on the puck?

physical science explorations - Jordan, Wednesday, August 26, 2009 at 8:21am
a=(v-u)/t
where v=final velocity, u=initial velocity and t= time in seconds

initial is 0 m/s

go from here yourself :)
physical science explorations - Jordan, Wednesday, August 26, 2009 at 8:24am
ok now Force

Force = mass*acceleration

use the acceleration you calculated in the first question to find the force exerted on the puck

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