A physics student has a mass of 60 kg. She tosses a pencil to her classmate who is sitting 5 meters away. Her classmate has a mass of 75 kg. What is the gravitational force between the classmates? Please help!

Which of the following is an example of motion in two dimensions?

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.

Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?