Where is information first stored in a human brain

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

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?