A piston is filled with methane at a pressure of with a current volume of . If the methane quadruples in volume isobarically (i. e. constant pressure), how much work does the gas do on the surrounding environment? How much work would have been done if this were an isovolumetric process?

The softest and hardest minerals are: softest hardest

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?