3 years ago

When u write on a piece of glass sheet with a piece of chalk , the writing is not clear explain .

Physics

1 answer:

svetlana [45]3 years ago

6 0

Becuse your weighting with chalk that has pigment

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Sonja [21]

Answer: wavelength !!
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2 years ago

Một dây dẫn đặt trong không khí có dòng điện I = 12A chạy qua, được gấp thành hình vuông cạnh a = 10cm. Xác định vectơ cường độ

disa [49]

Answer:

The net magnetic field ta the center of square is $1.36\times10^{-4} T$ .

Explanation:

Current, I = 12 A , side ,a = 10 cm = 0.1 m

Let the magnetic field due to the one side is B.

The magnetic field is given by

$B = \frac{\mu o}{4\pi}\times \frac{I}{r}\times \left (Sin A +Sin B \right )\\\\B = 10^{-7}\times \frac{12}{0.05}\times \left ( sin 45 + sin 45 \right )\\\\B = 3.4\times 10^{-5} T$

Net magnetic field at the center of the square is

B' = 4 B

$B'= 4\times 3.4\times 10^{-5}\\\\B' = 1.36\times10^{-4} T$

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2 years ago

Psuedopod in a sentence

mixas84 [53]

Does it have to be that exact word. cause it is just another term for psuedopodium

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2 years ago

Suppose you ran 53 km in 67 min. With what speed did you run?

melomori [17]

Answer:

47.46 kilometers an hour

Explanation:

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3. How do you represent the strength of a<br> force in a free-body diagram?

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