Thinking 1. A paratrooper at rest jumps from an airplane and freely falls 49.4 m at an acceleration of 9.8 m/s2 dow opening his parachute. How fast is the paratrooper going before opening his parachute? Ad = 49.4 m V=10 Ad = V: At - 42012 2 = 9.8 mls y = 7 -* 219. 8 ) Y. = 2 (ZHA , 36 0.5 V z(9. 8 ) volle V, $ 24 9m/s - 1. :. The paratrooper would be going at 249mls 2. A motorist is travelling at 15 m/s [E] when he sees a deer on the road 20.0 m ahead and begins to bra slows down at a rate of 5.0 m/s2 [W], determine if he will stop short of the deer. V.= 15 mls [E) direction 42= 20 m can't 1 = 5.0 mls?"[W] isolate will he hit the deer At = 120 (am A] VC = 0m/s At = 115 Instance dooley srit al levistin amil owt ilaid 0.5 : He will stop at Its short. fa of is vilsolov audensiristanton 3. An arrow is shot straight up into the air at 90.0 m/s and reaches a maximum height of 330 m. How lo arrow take to reach its maximum height? Vi 90.0m/s direction 1 Of = 1 01 2 Ad= 330m AV = At VA = Omls 330m At = xomls At = 3. 75 . . It would take 3.Is to reach its maximum height