A solid nonconducting sphere of radius R carries a uniform charge density throughout its volume. At a radial distance from the center, the electric field has a magnitude E0. What is the magnitude of the electric field at a radial distance ?

How is the ideal mechanical advantage of a wheel and axle calculated?

Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.

Hi , i am new here can anyone me out with this question why is space black after having so many shining objects like sun , moon , stars