6. A 12 kg object moves at a constant velocity 3 m/s to the right and collides with a 6 kg object moving at a velocity 6 m/s to the left. Which of
the following statements is correct?

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =