A ball in launched upward with a speed of 30 m/s, what is its speed 5 seconds later?

The velocity of a curling stone is due east. what will be the direction of the momentum of the curling stone as it moves?

On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 3.00 m/s.(a) what are the magnitude and direction of the velocity of the red glider after the collision? (b) is this collision elastic?

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created