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A hockey puck slides with an initial speed of 43.2 m/s on a large frozen lake. If the coefficient of kinetic friction between t...Asked by Confused
A hockey puck slides with an initial speed of 52.3 m/s on a large frozen lake. If the coefficient of kinetic friction between the puck and the ice is 0.02, what is the speed of the puck after 11.8 s?
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Answered by
bobpursley
vf=vi+at
but a=- force/mass=-mu*mg/m=-mu*g
the negative sign indicates oposite direction to movement
solve for Vf
but a=- force/mass=-mu*mg/m=-mu*g
the negative sign indicates oposite direction to movement
solve for Vf