If we didn't chat today then just be on later probably at like 12 midnight and we can chat then Is anyone going to be on and wanna chat?

Ahollow metal sphere has 6 cm and 11 cm inner and outer radii, respectively. the surface charge density on the inside surface is −100nc/m2. the surface charge density on the exterior surface is:

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?