Answer:
The first of the basic laws of geometric optics is the law of rectilinear propagation of light. It reads: in an optically homogeneous medium the ray of light propagates in a direction.
the answer is 318 because that is the answer 318
318
Answer:
A certain wire stretches 0. 90 cm when outward forces with magnitude f are applied to each end. The same forces are applied to a wire of the same material but with three times the diameter and three times the length. The second wire stretches:
Explanation: