A train brakes from 25 m/s to rest in 30 sec. What is its deceleration?

After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.