Radon is a naturally occurring gas that's found in most soils and rocks and can cause lung cancer.
Answer:
(B) +18 cm
Explanation:
Given that the distance of the object is infinity.
And the image is formed at a distance of 18 cm, means .
Now as we know that the mirror formula is,
Now put the values of u and v
Therefore the focal length of the mirror is +18 cm.
Yes, the water in the cup have the same average kinetic energy as the ocean, because I focus on the word 'average'. However the cup of water have less INTERNAL energy than the ocean.
hope it helps☺☺
Answer:
28 m/s
Explanation:
vf^2=vi^2+2a(delta y)
=sqrt(2* -9.8 m/s^2* -40 m)
=28 m/s