Two hockey pucks on an ice rink are held together with a compressed spring between them. the pucks are released and the spring pushes them in opposite directions. one puck of mass 0.5 kg moves at 8 m/s. calculate the speed of the other puck of mass 2 kg

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

When an object is heated it contracts. a. true b. false

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.