two charges are placed at corners A and B of a square of side length. How much work is needed to move a charge from point C to D

1 answer:

6 0

A study occasionally the effect of anxiety (low vs. high) and stress (low vs. moderate vs. high) on test.

Everyone experiences anxiety occasionally, but persistent anxiety can reduce your quality of life. Though likely best known for altering behavior, worry can have negative effects on our physical health. Anxiety speeds up our heartbeat and breathing, concentrating blood flow to the parts of our brains that need it. You are getting ready for a challenging situation by having this extremely bodily reaction. Test performance may be impacted by anxiety. According to studies, pupils with low levels of test anxiety perform better on multiple-choice question (MCQ) exams than pupils with high levels of anxiety. Studies have occasionally that female students have greater levels of test anxiety than male students.

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Question in the picture - Conservation of Momentum

Anit [1.1K]

Answer:

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Explanation:

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3 years ago

Which property must be the same in order to stop the transfer of energy between two objects?

juin [17]

Its is temperture
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3 years ago

When an electron enters a region of uniform magnetic field (B=0.19T), with its

kobusy [5.1K]

The radius of the track in the circular motion is 0.164 mm.

<h3>Magnetic force of the of charge</h3>

The magnetic force of the charge is calculated as follows;

F = qvB

<h3>Centripetal force of the charge</h3>

The centripetal force experienced by the charge is calculated as follows;

$F = \frac{mv^2}{r}$

<h3>The magnetic force is equal to the centripetal force</h3>

$qvB = \frac{mv^2}{r} \\\\qB = \frac{mv}{r} \\\\r = \frac{mv}{qB} \\\\$

<h3>The radius of the track</h3>

The radius of the track is calculated as follows;

$r = \frac{9.1 \times 10^{-31} \times 5.5 \times 10^6}{1.6 \times 10^{-19} \times 0.19} \\\\r = 1.64 \times 10^{-4} \ m\\\\r = 0.164 \times 10^{-3} \ m\\\\r = 0.164 \ mm$