Motion is displacement
an object you look at to determine if something is moving
a change of position in relation to another object
speed

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.

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?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little