Henry heavyweight weighs 1450 n and stands on a pair of bathroom scales so that one scale reads twice as much as the other.

A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?