Almost all telescopes have a circular mirror. The area of a circle is proportional to

where

is the radius of the circle, the constant of proportionality being


Therefore the area of 150 meter telescope would be

times bigger than the area of the smaller (10 meter) telescope.
<span>Niche - </span><span>An organism's particular role in an ecosystem, or how it makes its living.</span>
A. a bicycle chain is an example of a compound machine
Answer:
Explanation:
given,
initial velocity of the ball = 20 m/s
angle of ramp = 22°
ball travel at a distance = 5 m
a) for friction less




v = 17.58 m/s
b) considering the friction




v = 17.16 m/s
Answer:
what is the hunting age? i've never heard of it