2 years ago

Different kinds of electromagnetic waves are identified by their -?-

Physics

1 answer:

const2013 [10]2 years ago

4 0

Answer:

frequency or wavelength

Explanation:

this is why the electromagnetic spectrum has a decreasing wavelength and increasing frequency

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2. An egg rolls off the kitchen counter with a velocity of 4m/s. If

-Dominant- [34]

Answer:

800m/s

Explanation:

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3 years ago

There is friction between the block and the

Norma-Jean [14]

Answer:

5 no

Explanation:

actually the 4kg lying on table has no influence

it slides towards 4kg weight hung

as it has excess 2kg force

force=miu × m ×g

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3 years ago

Water waves of wavelength 4m are produced by two generators S1 and S2.

Vaselesa [24]

A is not the correct answer because the amplitude and oscillation and there is 1/2 A in oscillation

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2 years ago

Consider a rigid body that rotates but whose center of mass is at rest. True or false: the rotational kinetic energy of the enti

Anit [1.1K]

Answer:

True

Explanation:

Let us consider a rigid body which contains tiny particles of mass dm each. and the angular velocity ω for each of the particle is same and teh radius of rotation is r.

the linear velocity, v = r ω

The total kinetic energy is given by

$K=\int \frac{1}{2}dm v^{2}$

$K=\int \frac{1}{2}dm r^{2}\omega^{2}$

$K=\frac{1}{2}\times \omega^{2}\int dm r^{2}$

K = 1/2 Iω^2

where I is the moment of inertia.

6 0

3 years ago

Electromagnetic force is present when electromagnetic fields

AlekseyPX

b is the correct answer

4 0

3 years ago

Read 2 more answers