Question

What is the kinetic energy of a 633.0-kg car moving at a speed of 11.2 m/s?

Answer 1

Answer:

  39.7 kJ

Explanation:

The kinetic energy formula applies:

  KE = (1/2)mv^2 = (1/2)(633.0 kg)(11.2 m/s)^2 = 39,701.76 J

The kinetic energy is about 39.7 kJ.