A25kg crate is at rest on a floor but is pushed by a force of 60n to the right . if the crate remains at rest, determine the coefficient of static friction

When you turn on a battery-operated device, an electrical circuit is

Describe uniform velocity and variable velocity in short

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.