Acar traveling at 25 m/s starts to decelerate steadily. it comes to a complete stop in 12 seconds. what is its acceleration?

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

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?

The total amount of energy contained in an object