Which are uses of convex mirrors? check all that apply.

-magnifying mirrors for putting on makeup
-side-view mirrors on vehicles
-hallway safety mirrors
-focusing automobile headlights
-lenses in sunglasses

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?