The pressure of a gas contained in a cylinder with a movable piston is 300 pa. the area of the piston is 0.5 m2. calculate the force that is exerted on the piston.

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?