16 + 6 - 6x - 4= -7x + 3 + 7

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

What is the speed of an object at a given moment?

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?