2. saturn has a radius of about 9.0 earth radii, and a mass 95 times the earth’s mass. estimate the gravitational field on the surface of saturn compared to that on the earth. show your work.

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

Atennis player used a tennis racket to hit a tennis ball with a mass of 0.25 kg with a force of 5.25 newtons. how does the force the tennis racket exerted on the tennis ball compare with the force the tennis ball exerted on the tennis racket? a. the force of the tennis racket on the tennis ball is equal in magnitude and opposite in direction to the force the tennis ball exerted on the tennis racket. b. the force of the tennis racket on the tennis ball is equal in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. c. the force of the tennis racket on the tennis ball is less in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. d. the force of the tennis racket on the tennis ball is greater in magnitude and opposite in direction as the force the tennis ball exerted on the tennis racket.

Which of the following are molecules? a. al b. ag c. mgcl2 d. nacl e. c3h8