A car is travelling at 10 m/s.
a. How fast would the car need to go to double its kinetic energy?
b. By what factor does the car’s kinetic energy increase if its speed is doubled to 20 m/s?
A car is travelling at 10 m/s.
a. How fast would the car need to go to double its kinetic energy?
b. By what factor does the car’s kinetic energy increase if its speed is doubled to 20 m/s?