A siren moves toward you. What happens to the wavelength of the sound you hear?
[the Wavelegnth decreases]

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

Could someone me find the answer to this problem.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?