An electromagnet produces mechanical energy from?

Thermal energy

Electrical energy

Chemical energy

If the moon disapared what affect would this have on earths tides

Sentence for pure substance

If a body goes from 10 m/s to 50 m/s in 8 seconds, what is it's acceleration?

If 500 J of energy were added to 1 kg of each of these samples, which would experience the LEAST temperature increase? aluminum, Brass, Copper, Platinum

What is one exsample of a closed economy

How much work is done when a 105 g tomato is lifted 19.2 m?

Suppose a body has a mass of 60 kilograms and a velocity of 2 meters per second upward. What is the linear momentum?

Reflection and abssorption prevent some

Why is it important to change only one experimental variable at a time in an experiment?

A 0.0663 kg ingot of metal is heated to 241◦C and then is dropped into a beaker containing 0.395 kg of water initially at 25◦C. If the final equilibrium state of the mixed system is 27.4 ◦C, find the specific heat of the metal.