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Margarita [4]
2 years ago
6

What voltage is required to move 2A through 5Ω?

Physics
1 answer:
Burka [1]2 years ago
4 0
10
Explanation: V=AxR
2x5 (2 times five)
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A girl playing tug-of-war with her dog pulls the dog a distance of 8.0m by exerting a force at an angle of 18° with the horizont
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Answer:

25 N

Explanation:

Work is a product of force and perpendicular distance moved.

W=Fd where F is force exerted and d is perpendicular distance.

However, for this case, the distance is inclined hence resolving it to perpendicular so that it be along x-axis we have distance as dcos\theta

Therefore, W=Fdcos\theta

Making F the subject of the formula then

F=\frac {W}{dcos\theta} where \theta is the angle of inclination. Substituting 190 J for W then 18 degrees for \theta and 8 m for d then

F=\frac {190}{8cos18^{\circ}}\approx 25N

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2 years ago
. A weather balloon is inflated to a volume of 2.2 x 103 L with 37.4 g of helium. What is the density of helium in grams per lit
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That is the mst best eway to find its solution.
37.4/2.2*10^3 =  0.017 gm/liter or  1.7*10^-2
so we conclude that option b is sorrect
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3 years ago
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Dimas [21]

Answer:

The third stage of parturition is called " after-birth".

Explanation:

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Which statement does NOT describe redesign?
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D. It happens all the time
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