One student runs with a velocity of +10 m/s while a second student runs with a velocity of –10 m/s. Which student has the faster velocity? Why?

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Atank is filled with an ideal gas at 400 k and pressure of 1.00 atm . part a the tank is heated until the pressure of the gas in the tank doubles. what is the temperature of the gas?