Name three types of energy storage systems in hevs

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?

What will a positive and a negative charge do if they are separated from each other?

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?