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2 years ago

15

What is the nergy of a wave that has a frequency of 6.32 x 10^20 Hz?

1 answer:

4vir4ik [10]2 years ago

3 0

here you go thank bob not me he will be very thankful

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A group of students left school at 8:00 am on a field trip to a science museum 90 miles away. Which best describes the average s

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Explanation:

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2 years ago

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2 years ago

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_____ = force × distance<br> A. Work<br> B. Velocity<br> C. Pressure<br> D. Momentum

gavmur [86]

Work is the correct answer

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2 years ago

You are in a car moving forward at 12 m/s. You throw a ball in the direction the car is moving. From your point of view, what do

4vir4ik [10]

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2 years ago

Find the potential inside and outside a uniformly charged solid sphere whose radius is R and whose total charge is q. Use infini

amid [387]

Answer:

Recall that the electric field outside a uniformly charged solid sphere is exactly the same as if the charge were all at a point in the centre of the sphere:

$E_{outside} =\frac{1}{4\pi(e_{0})}\frac{Q}{r^{2} } r^{'}$

lnside the sphere, the electric field also acts like a point charge, but only for the proportion of the charge further inside than the point r:

$E_{inside} =\frac{1}{4\pi(e_{0})}\frac{Q}{R^{2} } \frac{r}{R} r^{'}$

To find the potential, we integrate the electric field on a path from infinity (where of course, we take the direct path so that we can write the it as a 1 D integral):

$V(r>R)=\int\limits^r_\infty {\frac{1}{4\pi(e_{0)} }\frac{Q}{r^2} } \, dr=\frac{q}{4\pi(e_{0)} } \frac{1}{r} \\V(r$

= $\frac{q}{4\pi e_{0} } [\frac{1}{R} -\frac{r^{2}-R^{2} }{2R^{3} } ]$

∴NOTE: Graph is attached

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3 years ago