An athlete is accelerating uniformly from an initial velocity of 0 m/s to a final velocity of 4.2 m/s2 in 3 seconds. Calculate his acceleration. Let the direction that the athlete is running in be the positive direction.

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?