A UFO spaceship is 600 m above the ground and moving at a constant velocity of 120 m/s upwards. How high above the ground is the ship after 8 seconds?

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?