What is a surface you can think of that has a lot of friction? What is a surface you can think of that has a small amount of friction? Surface with a lot of friction: ???

Surface with small amount of friction: ???

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

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