A student wishes to push a 10 kg wooden crate across a wood floor. What is the minimum horizontal force that would be required to start the crate moving?

How are calculation for velocity and speed different

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?

The energy equivalent of the rest mass of an electron is