Question

(Newton's Law of Motion) A net horizontal force of 4000 N is applied to a 100 kg car. What will the car's speed be after 10 s if it started from rest?

Answer 1

\[f=ma\]
4000N=100kg * a
a= 40m/s/s
\[v=at\]
v=(40m/s/s)(10s)
v=400m/s