Question

impulse gelp

Answer 1

i dont understand what the graph is showing? impulse=ft=area of that graph but for that graph is the car experiencing positive momentum change or negative?

Answer 2

should impulse needed to stop = negative ofa rea?

Answer 3

It show the force acted on the vehicle. So it is negative to the direction of the movement of the vehicle.

Answer 4

ohokay thanks so the graph is showing the retarding foorce

Answer 5

so it would be in opposite direction to motion of car and so would the momentum change

Answer 6

Yes