Acharge of 7.2 × 10-5 c is placed in an electric field with a strength of 4.8 × 105. if the electric potential energy of the charge is 75 j, what is the distance between the charge and the source of the electric field? round your answer to the nearest tenth.

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?