a) x = 1/2 at^2
solve for a
c) mg sin30 - Ff = ma
solve for Ff
b) Fn = mg cos30
mu = Ff/Fn
d) v^2 = 2ax
A 2.92 kg block starts from rest at the top of a 30° incline and accelerates uniformly down the incline, moving 1.93 m in 1.60 s.
(a) Find the magnitude of the acceleration of the block. __ m/s2
(b) Find the coefficient of kinetic friction between the block and the incline. ___
(c) Find the magnitude of the frictional force acting on the block.___ N
(d) Find the speed of the block after it has slid a distance 1.93 m. __ m/s
1 answer
1 answer