A 100 kg bag of snickers bars is 4 m away from the center of a merry-go-round. The bag of snickers bars has a centripetal acceleration of 6 m/s2. What is the bag’s linear velocity?

8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?