How does the resistance of a wire change with:
(i) its length is tripled? (ii) its diameter is halved?
(iii) the material is changed to one whose resistivity is three times?

What is the fate of the electrons that interact with a specimen in an electron microscope?

Who was the first scientist to measure speed as distance over time?

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?