When an object is at rest on an inclined plane, what are the different forces acting on it? a) gravitational force only b) normal force only c) gravitational force, normal force, and frictional force d) gravitational force and normal force

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit