Homework Help: Physics

Posted by Jade on Wednesday, September 12, 2012 at 1:37am.

Leroy, who has a mass of 110 , is skateboarding at 9.4 when he smacks into a brick wall and comes to a dead stop in 0.2. Find his deceleration.Find the force of impact. (ouch!)

Physics - charlie, Wednesday, September 12, 2012 at 5:09am
Force = Massx acceleration. Find the accel using v=u+at, solving for a.

v is the final velocity (0); u is the initial (9.4), t is time (0.2)

Then x by 110 kg. to get the force in Newtons.
Physics - Anonymous, Friday, February 1, 2013 at 5:17pm
d

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