Rutherford’s experiment showed that some substances allowed alpha particles to pass through them frequently. he theorized this happened because the nuclei were .

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

If two objects at different te,peraure are in contact with each other what happens to their temperature

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.