S = 019 9 sec 5 = 10.44 sed 5= 10. 42, sec 5: 9, 30 8cc 8. 19 rec 3) Dylan is attempting to high jump over a crossbar set at 2.44 in (8 ft). At the instant of takeoff (when he is no longer in contact with the ground) his vertical velocity is 4.5 m/s, and his center of gravity is 1.5 m high. a. What is Dylan's vertical acceleration at the instant of takeoff? b. How much time elapses after takeoff until Dylan reaches his peak height? c. What peak height does Dylan's center of gravity achieve? 4) Oliver punts a football into the air. The football has an initial vertical velocity of 20 m/s and an initial horizontal velocity of 20 m/s when it leaves Oliver's foot. The ball experiences a constant vertical acceleration of 9.81 m/s2 downward while it is in the air. a. What is the ball's horizontal velocity 2 s after it leaves Oliver's foot? b. What is the ball's vertical velocity 2 s after it leaves Oliver's foot? he is die hait's serviced hospicemont 2 s after it leaves Oliver's foot? Aoriental asphyxiation 2s after it leaves Oliver's foot? use ephes as wellery butt. As the instant the bull leaves her hand, its height is 2.8 m wit whour is a t's downward and forward at an angle of 60 belo A fios long will it take for the ball to strike the floor if the In. How far will the ball travel horizon horizontally be