10a. A truck brakes for 3 seconds, accelerating at -7 m/s? What is its change in velocity? GIVEN
WANT EQUATION WORK ANSWER
Challenge: If the truck was going 21 m/s when it started braking, how fast was it going after it
braked?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

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.