Which of the following objects is not in a state of equilibrium? 1.) a racecar maintaining a constant velocity. 2.) a motorcycle turning around a corner. 3.) a chandelier hanging from the ceiling. 4.) a hot-air balloon floating with a constant velocity while maintaining its height.

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?