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3 years ago

Cuales son los factores para que un sobre conductor se genere y aumente la energía termíca

Physics

1 answer:

riadik2000 [5.3K]3 years ago

7 0

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anneyong

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What type of heat do we get from sun

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The type of heat that the Sun emits is called UV (Ultra Violet) rays. This is a natural type of heat, but it can also be dangerous if you expose yourself to too much UV heat, causing "sunburns", or even skin cancer.

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3 years ago

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How do you get: a = -ω^2*x from: a = -Aω^2*sen(ωt) ?

Firdavs [7]

Answer:

$x = Asin(\omega t)\\v = \frac{dx}{dt} = \omega Acos(\omega t)\\a = \frac{dv}{dt} = -\omega^2Asin(\omega t)= -\omega^2x$

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4 years ago

The Earth is 81.25 times as massive as the Moon and the radius of the Earth is 3.668 times the radius of the Moon. If a simple p

Alexeev081 [22]

Answer:

option (b)

Explanation:

Mass of moon = m

Mass of earth = 81.25 x mass of moon = 81.25 m

Radius of moon = r

radius of earth = 3.668 x radius of moon = 3.668 r

Frequency on earth = 2 Hz

Let the frequency on moon is f.

The formula for the frequency is given by

$f = \frac{1}{2\pi }\times \sqrt{\frac{g}{l}}$

The value of acceleration due to gravity on earth is g.

ge = G Me / Re^2

ge = G x 81.25 m / (3.668 r)^2

ge = 6.039 x G m / r^2 = 6.039 x gm

ge / gm = 6.039

Now use the formula for frequency

$\frac{fe}{fm} = \sqrt{\frac{ge}{gm}}$

$\frac{2}{fm} = \sqrt{\frac{6.039 gm}{gm}}$

$\frac{2}{fm} = 2.46$

fm = 0.814 Hz

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3 years ago

What causes the cycle of seasons on Earth?

Diano4ka-milaya [45]

The seasons are caused by the tilt of the Earth's rotational axis away or toward the sun at it travels through its year long pat around the sun.

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3 years ago

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A 2 kg ball is attached to a 0.80 m string and whirled in a horizontal circle at a constant speed of 6 m/s. The work done on the

wariber [46]

Answer:

72 J

Explanation:

m = 2kg

r = 0.80m

v = 6m/s

W = ?

W = Force × distance

= mv²/r × r

= mv²

= 2×6²

=2×36

= 72J

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3 years ago