When analyzing the motion of a single object, what is the required number of known physical variables that are needed to solve for the unknown quantities using the kinematic equations?

second mirror gathers light from a faraway object and reflects it to another mirror. - a.

a and c

c is 100% but i am confused in a

true is the correct answer

hope i

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.