You pushed on a crate with a force of 10 N, and it moved 2.5 m/s. How much power did you produce as you pushed? 25 W
O 4W
0 245 W
0 39.2 W

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal