Suppose the initial kinetic energy and final potential energy in an experiment are both zero. what can you conclude?

Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank