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Ainat [17]
3 years ago
13

An electron beam moves toward a cathode ray tube screen, which is 50 cm away from the negative electrode. The electrons are acce

lerated by a potential difference of 18 kV. Estimate the maximum displacement of the electron beam caused by Earth's magnetic field. The average magnetic field at the surface of Earth is roughly BE = 45×10−6T. Δz = ?

Physics
1 answer:
zheka24 [161]3 years ago
6 0

Answer:

Maximum displacement of the Electron beam= 0.0124m

Explanation:

Detailed solution of the question is given in the attached files.

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You can't answer this question because you aren't giving the specific type of seismic waves. There is an s-wave a p-wave and an l-wave. Those are the basic waves. An S-wave cannot travel through a liquid at all. So, obviously it travels slower than any other seismic wave. 


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Why is the motion of an athlete moving along the circular path with Constant speed considered to be an accelerated motion?
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The speed is changing its direction all the time. There is an acceleration which changes the direction of the speed – that is called centripetal acceleration. Only uniform linear motions are considered to have no acceleration.

This is the general formula for acceleration

a = dv/dt

When calculating dv, you should keep in mind the change in the velocity vector’s direction. You can easily see in a graph that with dt tending to 0 (so the length of the arc covered is also tending to 0), the difference between vectors Vf and V0 has a direction which is perpendicular to velocity (the shorter the arc, the closest the angle is to 90 degrees).

There is a formula (which can be deducted from the previous formula) which allows you to calculate the acceleration:

a = v^2/r

Let’s talk about the units:

v is in m/s

r is in m

so v^2/r

is in (m/s)^2/m = (m^2/s^2)/m = m/s^2

which is the same unit as dv/dt:

dv/dt = (m/s)/s= m/s^2

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During intercourse, Lydia constantly worries whether her partner thinks she is
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If the refractive index of a medium is 1.3,
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Explanation:

see the above attachment to solve the question and get the answer.

hope this helps you.

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