A person whose mass is 100 kg sits in a car, and the car sinks by a little more than an inch (0.03 m). What is the spring constant, k, for the shock absorbing springs of this car? k=

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?

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane