In a lift, a ceiling lamp has come loose and falls down. how long does the lamp take when the cab height is 2.5 m? the following cases apply:
a) the elevator moves at a constant speed v0 = -0.5 m / s downwards.
b) the elevator is accelerated upwards with a constant acceleration a0 (general formula sufficient).
c) the elevator moves downwards with the acceleration g

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.

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada