What is the reactive force when a fish swims through water? a. The force of the fish's tail on the water c. The force of gravity on the fish b. The force of air resistance on the fish d. The force of the water on the fish
which is heavier a one ton box or a one metric ton box? How many pounds heavier is one than the other?
Ian throws a ball straight up into the air at a speed of 10 m/s. what is the ball's speed at the highest point?
A baseball of mass 250g, pitched with a speed of 40m/s is caught by the catcher, whose glove moves backward 0.25m while stopping the ball. What was the kinetic energy of the ball before it was caught?
A bicyclist rides with a constant velocity of 8 m/s. What would you need to know to calculate the net force on the rider?