An mp3 player draws a current of 0.120 ampere
from a 3.00-volt battery. what is the total charge
that passes through the player in 900. seconds?
(1) 324 c (3) 5.40 c
(2) 108 c (4) 1.80 c

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.