a) x = 1/2a t^2
c) mg sin31 - Ff = ma
b) Fn = mgcos31, mu = Ff/Fn
d) vf = at
A 3.00-kg block starts from rest at the top of a 31.0° incline and slides 2.00 m down the incline in 1.40 s.
(a) Find the acceleration of the block.
m/s2
(b) Find the coefficient of kinetic friction between the block and the incline.
(c) Find the frictional force acting on the block.
N
(d) Find the speed of the block after it has slid 2.00 m.
m/s
1 answer