godstruelove122
10.09.2021 •
Physics
5. (a) A constant horizontal force of 4×10
³ N is acting on an object of mass 10×10
³ kg on a
horizontal surface. The initial velocity of the object is 8.0 m s
-¹
.
Calculate the final velocity
of the object after it has moved 150 m
(i) if the horizontal surface is smooth and,
(ii) if the horizontal surface is rough and exerts an opposing force of 200 N to
the motion of the object.
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Ответ:
Explanation:
Environmental balance is the balance among the components of ecosystem , The interaction among environmental components is a continuous process , This interaction keeps the balance among these components unless a disturbance arises as a result of many factors .