An airplane flies with a constant speed of 640km/h. how far can it travel in 45 minutes?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

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?

Which subatomic particle has a negative charge