(a)
if the coconut weighs 1.5kg, and it is falling at 2m/s,
what is its momentum?

b)
at first the coconut speeds up as it falls. explain why in
terms of the forces acting on it.

(c)
explain what happens to the speed of the coconut
eventually (before it hits the ground) if the tree is very
tall.

answer: the rock sample is a sedimentary rock.

explanation:

it is given that:

mass of rock sample, m = 2.7 g

volume of rock sample,

so, density of rock sample will be

since, the density of rock sample is . hence, the rock sample is a sedimentary rock, whose densities varies between .

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