3 years ago

2. the energy of the pendulum as it swings up

1 answer:

4 0

kinetic energy or potential energy

sorry idek i learned this like 2 years ago

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Gekata [30.6K]

Force on a moving charge is given by formula

$\vec F = q(\vec v \times \vec B)$

here we know that this force will be maximum when velocity is perpendicular to magnetic field

$\vec F = qvB$

here we know that

$v = 2.0 \times 10^5 m/s$

$q = 1.6 \times 10^{-19} C$

$B = 8.5 \times 10^2 T$

now we have

$F = (1.6 \times 10^{-19})(2 \times 10^5)(8.5 \times 10^2)$

$F = 2.72 \times 10^{-11} N$

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3 years ago

Juliette [100K]

B b b b b b b bb bb bb b b b b b b b b b

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3 years ago

Tems11 [23]

Energy cannot be created nor be destroyed

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3 years ago

Svetlanka [38]

Answer:

An electrical current

Explanation:

An electrical current

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2 years ago

Gnom [1K]

See
K.E=1/2(mass*velocity²)
so option B is the correct answer.
Brainliest pls :-)

8 0

3 years ago