a barometer contains two uniform capillary tubes of radii 0.00064m, and 0.00124m. If the height of water in narrow tube is 0.2m more than that in the wide tube, calculate the true pressure difference

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?

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.

Why does lightning travel from clouds to the ground?