Answer:
C. 1.15
Explanation:
The formula for the critical angle is:
Where,
is the critical angle
is the refractive index of the refractive medium. ( Alcohol , ? )
is the refractive index of the incident medium. ( Glass, 1.66 )
<u>Critical angle = 44º</u>
Applying in the formula as:
Answer:
the formula for the force of gravity depends inversely of the distance and directly of the masses.

This means that if the masses increase and their distance remains the same the force will increase proportionally.
ANSWER: A ramp meter, usually is a basic traffic light or a two-section signal light, together with a signal controller, that regulates the flow of traffic that enters freeways according to the most traffic conditions.