A proton is fired at 5500 m/s directly toward an infinite plane of surface charge density 1.8 nC/m2. Assuming it doesn’t hit the plane, how far does it travel before turning around?

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.

Does current flow through or across a resistor?

What kind of waves require a medium to travel? question 6 options: light waves mechanical waves all waves need a medium to travel electromagnetic waves