What are helium, iron, and oxygen examples

Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?