3 years ago

What is the essential difference between microwaves and blue light?.

Physics

1 answer:

Bogdan [553]3 years ago

3 0

Answer:

There is no essential difference between microwaves and blue light other than a difference in frequency and wavelength.

Explanation:

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A small charged sphere is attached to a thread and placed in an electric field. The other end of the thread is anchored so that

VMariaS [17]

Answer:

$E = 9.66\times 10^{-6} N/C$

direction is Horizontal

Explanation:

As we know that the string is horizontal here

so the tension force in the string is due to electrostatic force on it

now we will have

$F = qE$

so here the force is tension force on it

$F = 6.57 \times 10^{-2} N$

$Q = 6.80 \times 10^3 C$

now we have

$6.57 \times 10^{-2} = (6.80 \times 10^3)E$

$E = 9.66\times 10^{-6} N/C$

direction is Horizontal

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4 years ago

Calculate the kinetic energy in joules of a 1200 kg automobile moving at 18 m/s .

vodka [1.7K]

Answer:

194,400 joules of kinetic energy.

Explanation:

Remember that to calculate the Kinetic energy you need to use the next formula:

$Ke=\frac{1}{2}Mass*Velocity^2$

We know that Mass= 1200 kg and velocity is 18m/s, so we insert those values into the formula:

$Ke=\frac{1}{2}Mass*Velocity^2\\Ke=\frac{1}{2}1200kg*(18m/s)^2\\Ke=194,400 joules$

So the kinetic energy of a car moving at 18m/s with a mass of 1200 kg would be 194,400 joules.

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3 years ago

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______is the rate of change in velocity.

shepuryov [24]

Answer:

Acceleration

Explanation:

Acceleration is the rate of change in velocity

speed is how fast an object is moving

Velocity is how fast an object is moving in the particular direction

pls mark me brainliest

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3 years ago

Explain some reasons why Muslims are hated in America. Be sure to distinguish between fact and falsehood. In other words, what i

Drupady [299]

People believed they caused 911 not sure if that’s a answer choice but that’s my answer

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2 years ago

If the number of troughs that pass a point in a given time increases, what has increased?

Lerok [7]

Wave length i think hope it helps

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3 years ago

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