The catapult is used to launch a ball such that it strikes the wall of the building at the maximum height of its trajectory. It takes 1.3 s to travel from A to B. Suppose that s = 21 ft. (Figure 1) Figure 3.5 ft A70 B < 1 of 1 > h ▾ Part A ▾ Determine the speed v at which the ball was launched. Express your answer to three significant figures and include the appropriate units. VA = 44.9 ft Submit Previous Answers ✓ Correct Part B Determine the angle of release 0. Express your answer using three significant figures. Submit Previous Answers Request Answer