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miskamm [114]
2 years ago
13

An object has a displacement of 45

Physics
1 answer:
Anika [276]2 years ago
5 0

Answer:

45° to min.

1° ----> 60 min

45° ----> ?.

45 * 60

2700 min

<h3><u>2</u><u>7</u><u>0</u><u>0</u><u> </u><u>min</u></h3>
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The aurora is caused when electrons and protons, moving in the earth’s magnetic field of ≈5.0×10−5T, collide with molecules of t
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Answer:

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r: radius of the trajectory

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q: charge of the electron = 1.6*10^-19 C

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You use the fact that the angular frequency in a circular motion is given by:

\omega=\frac{v}{r}

Then, you solve the equation (1) in order to obtain v/r:

\frac{v}{r}=\omega=\frac{qB}{m}

Finally, you replace the values of the parameters:

\omega=\frac{(1.6*10^{-19}C)(5.0*10^{-5}T)}{9.1*10^{-31}kg}\\\\\omega=8.79*10^6\frac{rad}{s}

hence, the angular frequency is 8.79*10^6 rad/s

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