Aray diagram for a refracted light ray is shown,
what does the dashed line represent?
medium
boundary
normal
incident ray

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

Decreased sensitivity to an unchanging stimulus is known as