If the inside of a person's rectangular trunk measures 2 feet by 3 feet by 4 feet, what is the volume of the trunk

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

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?