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Helen [10]
3 years ago
11

Please answer ASAP!!!!

Physics
1 answer:
RoseWind [281]3 years ago
6 0
The answer is Ultraviolet
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Which of the following statements about matter is true? Mass and matter are always the same. Matter is made up of atoms and has
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When happens when an object becomes positively charged?
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It loses electrons.

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A particle with a mass of 6.64 × 10–27 kg and a charge of +3.20 × 10–19 C is accelerated from rest through a potential differenc
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Explanation:

Given that,

Mass m = 6.64×10^-27kg

Charge q = 3.2×10^-19C

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Magnetic field B =1.6T

The force in a magnetic field is given as Force = q•(V×B)

Since V and B are perpendicular i.e 90°

Force =q•V•BSin90

F=q•V•B

So we need to find the velocity

Then, K•E is equal to work done by charge I.e K•E=U

K•E =½mV²

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K•E = 3.32×10^-27 V²

U = q•V

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Then, K•E = U

3.32×10^-27V² = 7.84×10^-13

V² = 7.84×10^-13 / 3.32×10^-27

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V = 1.537×10^7 m/s

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F=q•V•B

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F = 7.87×10^-12 N

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