A household fan draws 0.520 amps of current when the voltage is 120 V. How large is the resistance on the fan

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 meant by the statement" the melting poin of glycerine is 13 degree celsius

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec