What will be the magnitude of two identical charges placed 2m apart and repelling each other with a force of 7.5N? *

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?