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neonofarm [45]
3 years ago
6

Why does the biosphere not have distinct boundaries?​

Physics
1 answer:
Alexeev081 [22]3 years ago
7 0

Answer:

living things are found in air, water, and soil.

Explanation:

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A floating ice block is pushed through a displacement d = (14 m) i hat - (11 m) j along a straight embankment by rushing water,
Alika [10]

Explanation:

Given that,

Displacement in ice block, d=14i-11j

Force exerted by water, F=158i-179j

To find,

Work done by the force during the displacement.

Solve,

We know that the product of force and displacement is called work done. It is also equal to the dot product of force and displacement as :

W=F.d

W=(158i-179j).(14i-11j)

We know that, i.i = j.j = k.k = 1

W=2212+1969=4181\ J

So, the work done by the force on the block during the displacement is 4181 Joules.

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