A raindrop falls to the ground from a rain cloud at an altitude of 3000 meters. a. if there were no air resistance, how long would it take to fall?

b. if there were no air resistance, how fast would the raindrop be going?

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

Which wave is the result of amplification and produces a louder sound