Question

A car moving at a speed of 48.0 km/h accelerates 100.0 m up a steep hill, so that at the top of the hill its sped is 59.0 km/h. if the car's mass is 1100 kg, what is the magnitude of the net force acting on it?
i already know you have to change it to m/s but what do you do after that to find the magnitude of Force??

Answer 1

find a. vf^2=vi^2+2ad

solve that for a
Then, F=ma

Answer 2

499.498 N

Answer 3

i got 16.445 J

Answer 4

0.460 m/s 2