While running at 15 mph directly toward Patrick, Lisa passes a basketball to him. Patrick is stationary when he receives the ball, which is moving at a speed of 41 mph. How fast did Lisa throw the ball?

To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.