Homework Help: physics

Posted by Anonymous on Wednesday, September 29, 2010 at 2:07pm.

A hockey puck struck by a hockey stick is given an initial speed v0 in the positive x-direction. The coefficient of kinetic friction between the ice and the puck is μk.
(a) Obtain an expression for the acceleration of the puck. (Use the following as necessary: μk and g.)
a =

(b) Use the result of part (a) to obtain an expression for the distance d the puck slides. The answer should be in terms of the variables v0, μk, and g only.
d =

physics - bobpursley, Wednesday, September 29, 2010 at 3:00pm
a=Force/mass=mu*mg/m= mu*g in the direction opposite motion.

vf^2=vo^2+2ad
d= -vo^2/2a you finish it.

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