Problem 3: When x = 10 ft, the crate has a speed of 20 ft/s which is increasing at 6 f t / 32. Determine the direction of (i.e. the angle of) the crate's velocity and the magnitude of the crate's acceleration at this instant. Also nd the horizontal components of velocity and acceleration at this instant (by projecting the velocity and acceleration vectors along the x-axis). Ans: 9 = 39.810, ldl = 16.3 ft/sz, 12x = 15.36ft/s, ax = 14.28 ft/s2 (F1230)