Girish lowered an iron ball, with the help of a magnet, into a cylinder of water, to the levels P, Q and R as shown in the figure. with P being near the surface and Q being in the middle and R being at the bottom of the beaker. When is the rise in the level of water in the cylinder likely to be the highest, after the ball is lowered

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?