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expeople1 [14]
3 years ago
12

Select the correct answer. East Asia is home to approximately what percentage of the world's population? OA. 15% OB. 50% OC. 25%

OD. 30%​
Physics
1 answer:
e-lub [12.9K]3 years ago
8 0

Answer:

C. 25%

Explanation:

You posted in the wrong section, but 25% is closest to the UN's 22% estimate.

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What is the magnitude of a point charge that produces a potential of -200V at a distance of 1.00 mm?
schepotkina [342]

Answer:

q=-2.22*10^{-11}C

Explanation:

The potential produces by a point charge is given by:

V=\frac{kq}{r}

Here, k is the Coulomb constant, q is the signed magnitude of the point charge and r is the distance between the charge and the point at which the electric potential is measured. Solving for q:

q=\frac{rV}{k}\\q=\frac{1*10^{-3}m(-200V)}{8.99*10^9\frac{V\cdot m}{C}}\\q=-2.22*10^{-11}C

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Find average speed when time= 27s and total distance is 94m
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