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ivolga24 [154]
2 years ago
8

Guinea pigs have a gene that codes for black or brown fur. The

Physics
1 answer:
Ymorist [56]2 years ago
5 0

Answer:

B) Bb × Bb I think I can't promise that's right

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A surveyor is using a magnetic compass 5.6 m below a power line in which there is a steady current of 140 A. (a) What is the mag
ArbitrLikvidat [17]

Answer:

(a) B = 5.6 micro Tesla

Explanation:

Current in the wire, i = 140 A

distance, r = 5 m

The formula for the magnetic field at a distance r due to the current carrying wire

B=\frac{\mu _{0}}{4\pi }\times \frac{2i}{r}

B=10^{-7}\times \frac{2\times140}{5}

B = 5.6 x 10^-6 Tesla

B = 5.6 micro Tesla

(b) As the magnetic field of earth at this site is 20 micro tesla so the magnetic field due to current carrying wire interfere the magnetic compass.

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3 years ago
What is a key phrase for remembering the order of the planets?
horsena [70]
My very eager mother just served us nine pizzas
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Harrizon [31]

Answer:

cartilage

Explanation:

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3 years ago
In any energy transformation, energy is _____.
timurjin [86]

Answer:

In any energy transformation, energy is the change of energy from one form to another.

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3 years ago
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please help !!!!!!!!!!!!!!!!!! give the answer to the question i. which lighthouse will be warmer during the day time and why ?
Lostsunrise [7]

Answer:

I. light house 1 will be warmer during the day ii. light house 2 will be warmer at night.

Explanation:

Because the land conducts heat better than water the light house farthest away from the water will get hotter during as the ground will heat up faster than the water. But this also means that the ground will lose heat faster at night where the water won't making the light house closest to the water hotter at night.

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