Science Homework 3.20

  1. Answer each question.

1. What is power?
2. How can we define power as an amount?
3. What is the formula for calculating power?
4. What factors affect an object’s kinetic energy?
5. What happens to an object’s kinetic energy as its speed increases?

       2. Define each word: -energy  -kinetic energy  -potential energy

-gravitational potential energy    -elastic potential energy