Question

1) If you apply a force of 15 N to the bumper of a car for 5 minutes and 13 seconds, what is the impulse you impart?

A.
4.8 x 10-2 kg m/s toward the front of the car

B.
77 kg m/s toward the front of the car

C.
4.7 x 103 kg m/s toward the front of the car

D.
2.9 kg m/s toward the front of the car





2)A closed system contains two train cars. Each car has a momentum of 5.2 x 104 kg m/s, but in opposite directions. What is the total momentum of the system?

A.
5.2 x 104 kg m/s

B.
2.6 x 104 kg m/s

C.

Answer 1

force into time