What kind of reaction involves burning?

What is the snowboarder's kinetic energy when her speed is 5 m/s?

What is the force of a 12 kg rock falling at 9.8m/s/s

When the current through an electromagnet ceases, what generally happens to the magnetic field? A. The magnetic field stays the same. B. The magnetic field eventually disappears. C. The magnetic field eventually gets stronger. D.

Define "impulse" in your own words.

Calculate the efficiency of an engine with an input temperature of 755 K and exhaust temperature of 453 K.

Explain why the car reaches a top speed even though the thrust Force remains constant at 3500N

4. A helicopter is flying at a height of 1.5km. If it has 50MJ of G. P. E., what is the mass of the helicopter?

Unless otherwise posted, what is the speed limit in a school zone? florida

If you put in 10 J of work to push 1 c of charge against and electric field what will be its voltage with respect to its starting position? when released, what will be it's kinetic energy if it flies past it's starting position?

The process of changing the energy of a system by means of force. Force * Diatance