If a force of 50.0 N acts on a 3.0 kg object for 2.0 seconds, what will its change in velocity be? A) 75 m/s B) 70 m/s  C) 33 m/s D) 150 m/s

A ball is thrown vertically up, reaches a maximum height, and then falls back down to the ground. Which of these is true during the flight of the ball? O a. The momentum of the ball stays constant O b. The speed of the ball changes at a constant rate O c. The momentum of the ball changes at a constant rate O d. The acceleration of the ball changes at a constant rate

A baseball is thrown vertically upward with an initial velocity of 9 m/s. Neglecting air friction, what will the speed of the baseball as it goes back to its original position/height? A) 20 m/s B) 4.5 m/s C) 9 m/s D) 15 m/s

3. One newton is equivalent to: a) 1 kg · m/ s d) 1 kg / m b) 1 kg m/s? e) 1 kg m c) 1 kg - m² I s?