10. John does 176 J of work lifting himself a distance of 0.40 m. How much force must John apply to accomplish this?
O 440 m
O 440 J
O 440 N
O 70.4 J

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight

What does the law of conservation of mass state?