The car travelled between point A and point B by four segments in the same time interval, 15m/s, 25m/s, 35m/s, and 45m/s. Calculate: A. Average velocity and speed
B. Total time to reach point B.

fgravity=10x10=100n case 1

fgravity=30x20=600n case 2

6 times more

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.

elctricity and magnet is conversion to it