Suppose an automobile has 2000 J of kinetic energy. When it moves at twice the speed, what will be its kinetic energy? What's its kinetic energy at

Suppose an automobile has 2000 J of kinetic energy. When it moves at twice the speed, what will be its kinetic energy? What’s its kinetic energy at three times the speed? (8.5) 8000 J; 18,000 J10. What will be the kinetic energy of an arrow having potential energy of 50 J after it is shot from a bow? (