A ball is projected horizontally from the top of a cliff and free falls to the ground. Which one of the following statements accurately describes the ball's motion?

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge