Two cars next to each other start moving in the same direction from rest, car A accelerates at m/s2 4 for 10 s and then travels at a constant speed, while car B accelerates at m/s2 5 until it reaches 25 m/s and then maintains This speed. What is the distance between the two cars when t = 15s?

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.