7. A sprinter accelerates from rest to a velocity of 12 m/s in the first 6 seconds of the 100-meter dash.

What is the acceleration in the first 6 seconds?

b. How far does the sprinter travel during the first 6 seconds?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy