The top of the ramp is h1 = 1.17 m above the ground; the bottom of the ramp is h2 = 0.298 m above the ground. the block leaves the ramp moving horizontally, and lands a horizontal distance d away. calculate the distance d.

d = 1.02 m

Explanation:

By energy conservation we can find the speed by which ball will leave the ramp

here we know that

here we have

so we have

now the time taken by the block to reach the ground is given by

now the distance covered by it is given as

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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.