Two billiard balls move toward each other on a table. the mass of the number three ball, m1, is 5 g with a velocity of 3 m/s. the mass of the eight ball, m2, is 6 g with a velocity of 1 m/s. after the balls collide, they bounce off each other. the number three ball moves off with a velocity of 5 m/s. what is the final velocity and direction of the eight ball?

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?

The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .

Ajoint produces movement when its angle decreases. which type of movement is it?