Asource charge of 5.0 µc generates an electric field of 3.93 × 105 at the location of a test charge. how far is the test charge from the source charge?

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?

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.

Five renewable energy resources are wind, sunlight, moving water and geothermal energy. question 2 options: true false