A gas is confined to a piston equipped with a cylinder at constant temperature. Under a constant pressure on the cylinder of 1.60 atm, the gas is compressed from an initial volume of 2.00 L to a final volume of 0.80 L. What is the magnitude and sign of the work done during this process, in J

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

What does si stand for, when referring to a system of measurement

Why is no-till farming more sustainable than many traditional methods of farming