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3 years ago

Say a funny joke and whoever makes me laugh the hardest gets brainliest or however u spell it haha

Physics

2 answers:

Basile [38]3 years ago

7 0

Answer:

i cant make funny joke

Explanation:

but i can be alive.

wait no, im failing at that currently.

nadezda [96]3 years ago

6 0

Ight bet
I told my friend she was drawing her eye brows to high and she look surprised

You don’t need a parachute to go skydiving but you do need it to go twice

People only call me ugly till they figure out how much money I make then that call me ugly and poor

You’re not completely useless you can always serve as a bad example

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The body is subjected to a force of 0,4 N m with a shoulder of 5 cm. What is the magnitude of this force?

igor_vitrenko [27]

Answer:

Explanation:

the body is subjected to pressure equals to force force inverse to the area of that body given that it is in motion

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2 years ago

When the voltage is

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Explanation:

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3 years ago

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Answer:

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3 years ago

What is the maximum value of the magnetic field at a distance of 2.5 m from a light bulb that radiates 100 W of single-frequency

Anvisha [2.4K]

Answer:

$1.04\times 10^{-7}$ T

Explanation:

$IP$ = Power of the bulb = 100 W

$r$ = distance from the bulb = 2.5 m

$I$ = Intensity of light at the location

Intensity of the light at the location is given as

$I = \frac{P}{4\pi r^{2}}$

$I = \frac{100}{4(3.14) (2.5)^{2}}$

$I$ = 1.28 W/m²

$B_{o}$ = maximum magnetic field

Intensity is given as

$I = \frac{B_{o}^{2}c}{2\mu _{o}}$

$1.28 = \frac{B_{o}^{2}(3\times 10^{8})}{2(12.56\times 10^{-7})}$

$B_{o} = 1.04\times 10^{-7}$ T

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3 years ago

Explain how waves, energy, and matter are related

Stels [109]

Answer:

Mechanical waves need matter to transfer energy while electromagnetic waves do not. ... Waves change direction when they move from one material into another (matter) through the process of refraction. The wave will change direction when the speed of the wave changes.

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3 years ago