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3 years ago

Please helppppp ASAP mark you Brainliest

Physics

1 answer:

ZanzabumX [31]3 years ago

5 0

Answer:

Explanation:

The DIVERSITY explains how experimental factors both work to help populations respond the the environment over time

Whether a species has stopped existing recently or in ancient history it is still considered extinct

genetic variation is a result of inherited factors from parent to offspring

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3 years ago

A velocity selector is built with a magnetic field of magnitude 5.2 T and an electric field of strength 4.6 × 10 ^ 4 N/C. The di

nydimaria [60]

Explanation :

Magnetic field, B = 5.2 T

Electric field, $E=4.6\times 10^4\ N/C$

The directions of the two fields are perpendicular to each other. Hence the force due to each field will equate each other.

Electrostatic force, F =qE.........(1)

Magnetic force, F = qvB........(2)

From equation (1) and (2)

E = v B

$v=\dfrac{E}{B}$

$v=\dfrac{4.6\times 10^4\ N/C}{5.2\ T}$

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$v=8.8\times 10^3\ m/s$

Hence, the correct option is (a).

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Hence, the correct option is (C).

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3 years ago