A crate with mass 32.5 kg initially at rest on a warehouse floor is acted on by a net horizontal force of 140 N.
a)What acceleration is produced?
b)How far does the crate travel in 10.0 s?
C)What is its speed at the end of
10.0 s?

Question

A crate with mass 32.5 kg initially at rest on a warehouse floor is acted on by a net horizontal force of 140 N.
a)What acceleration is produced?
b)How far does the crate travel in 10.0 s?
C)What is its speed at the end of
10.0 s?

anonymous · Answer

1)f=ma
140=32.5a
a=4.31m.s^-2

2)s= ut +1\2a(t^2)
    = 0 + 1\2(4.31)(100)
    = 215.5m
3) v^2 = u^2 + 2as
         v = [sqrt{2(4.31)(215.5}]
           =43.1m.s^-1