Two trucks have the same velocity but different masses. Truck #1 has a mass of 200 kg and Truck #2 has a mass of 500 kg. Truck #
has the most kinetic energy.
When an obiect (like a hall) follo

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6

the answer is b

explanation:

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.