Answer:
First, let's define the coordinate axes: positive x direction is to the right, positive y direction is to upwards, and z direction is out-of-the plane (towards you).
If the particle is moving with velocity in the presence of an external E-field, than according to the below formula E-field pushes the positive charge in the direction of the field, which is upward.
.
If the velocity of the particle is unchanged, this means that the particle does not have an acceleration, so net force applied to the particle is zero.
We know that the force caused by the E-field is upwards, so an equal amount of another force is directed downwards. This second force is caused by magnetic field.
This is the magnitude of the magnetic field.
For the direction of the magnetic field we can use right-hand rule with the following equation:
Here, is in the x-direction. is in the (-y)-direction.
According to the right-hand rule, B-field should be in the z-direction (out-of-the plane, towards you.)
Explanation:
y = 11.3380m
<h3>What is Young's double-slit experiment?</h3>
The double-slit experiment is an experiment, that shows that light has both a wave nature or characteristic and a particle nature or characteristic, and that these natures are inseparable.
So, light is said to have wave–particle duality rather than be only a wave or only a particle. The same is true for electrons and other quantum particles.
According to the question,
The relative to angle θ, its adjacent side has length x and its opposite side is equal to width of the river, y;
tanθ = = y = dtanθ
y =( 112m) tan (37.8° )
y ≈ 11.3380m
The width of river is 11.3380m
Learn more about Young's double-slit experiment here:
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On a hot dry day, the amount of water vapour present in atmosphere is less. Thus, water present inside the desert cooler evaporates more, thereby cooling the surroundings more. Hence, a desert cooler cools better on a hot dry day.
Answer:
A student is conducting a pendulum experiment. Which of the following pieces of safety equipment would be the most vital to conduct this test?
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