A person applies a 50 N force on a crate, causing it to move horizontally at a constant speed through a distance of 10 m. What is the net work done on the crate? a. The net work done on the crate is 0.2 J.
b. The net work done on the crate is 500 J.
c. The net work done on the crate is 5 J.
d. The net work done on the crate is 250 J.
e. The net work done on the crate is zero joules.

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.