A hovering mosquito is hit by a raindrop that is 40 times as massive and falling at 8.8 m/s , a typical raindrop speed. How fast is the raindrop, with the attached mosquito, falling immediately afterward if the collision is perfectly inelastic?

To solve this problem we will apply the concepts related to the conservation of momentum. We know that the initial momentum must be equivalent to the final momentum, and according to the information given, masses 1 and 2 are related by the size of one of the objects. So we have to,

= Mass of each object

 = Initial velocity

But we have that

And there is not initial velocity for the mosquito, then,

Therefore the raindrop and the mosquito will fall to 8.58m/s

if you already have the answer to (a), then just work out how many periods there are in 1 minute, and that's the answer to (c).

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.