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3 years ago

How do microwaves use the behavior and characteristics of the electromagnetic wave to function?

Physics

1 answer:

serg [7]3 years ago

6 0

Answer:

Radiation moves out of the microwave into waves causing heat.

Explanation:

Inside your microwave oven, electrical energy is transformed into EM energy in the magnetron. When the microwave photons interact with food, food molecules are physically agitated, transforming the EM energy into kinetic energy, or energy of movement .

Hope it helped!

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Weight of 9.81 N calculate its mass??

Fudgin [204]

Answer:

0.981kg

Explanation:

As we know,

1kg =10N

So,

mass = 9.81/10 = 0.981Kg

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2 years ago

Which elements are found in all four components of Earth?

kifflom [539]

Answer:

oxygen silicon aluminun iron

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3 years ago

Which substance is a combination of different atoms?

Lady_Fox [76]

Answer:

The answer is compound

Explanation:

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3 years ago

A block of mass 27.00 kg sits on a horizontal surface with, coefficient of kinetic

zhannawk [14.2K]

Answer:

The force is $F = 172 \ N$

Explanation:

From the question we are told that

The mass of the block is $m_b = 27.0 \ kg$

The coefficient of static friction is $\mu_s = 0.65$

The coefficient of kinetic friction is $\mu_k = 0.50$

The normal force acting on the block is

$N = m * g$

substituting values

$N = 27 * 9.8$

$N = 294.6 \ N$

Given that the force we are to find is the force required to get the block to start moving then the force acting against this force is the static frictional force which is mathematically evaluated as

$F_f = \mu_s * N$