If john ran a 5-kilometer marathon, how long was that in meters? a. 50 m. b. 5,000 m. c. 500 m. d. 1000 m.

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

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?

In a series circuit the __ is the same at every point