Aroom is heated as a result of solar radiation coming in through the windows. is this a heat or work interaction for the room? an ineulated mom is heated hy burning candles is this a heat or work interaction?

An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r

An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply