Need help I don’t understand thanks!

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

Explain the consequences of this addiction to the brain tissue

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s