Four balls are taken to the top of a building. ball 1 is dropped (zero initial velocity). ball 2 is thrown straight up with a velocity of 3 m/s. ball 3 is thrown straight out with a horizontal velocity of 3 m/s. ball 4 is thrown straight down with a velocity of 3 m/s. which ball hits the ground first?

Identify the error in the sentence. my cat was so enormously overweight that the vet suggested, much to my cat's dismay putting him on a diet. a. overweight c. dismay b. suggested, d. diet.

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.

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?