Vf=Vi+at solve for a
but force=mass*a
or mu*mg=ma
or a= mu*g
A hockey puck is hit on a frozen lake and starts moving with a speed of 13.80 m/s. Exactly 5.1 s later, its speed is 7.80 m/s.
(a) What is the puck's average acceleration?
m/s2
(b) What is the coefficient of kinetic friction between the puck and the ice?
1 answer
1 answer