How much energy .....

Physics

1 answer:

Elodia [21]3 years ago

4 0

Answer:

A: 4 J of energy input

Explanation:

Hopefully this helps!

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When frequency division multiplexing (FDM) is used to aggregate several modulated channels together, no separation between chann

zaharov [31]

Answer:

False.

Separation between channel is required when frequency division multiplexing (FDM) is used to aggregate several modulated channels together.

Explanation:

In Frequency Division Multiplexing (FDM), the total bandwidth is divided to a set of frequency bands that do not overlap. Each of these bands is a carrier of a different signal that is generated and modulated by one of the sending devices.

The frequency bands are separated from one another by strips of unused frequencies called the guard bands, to prevent overlapping of signals.

The modulated signals are combined together using a multiplexer (MUX) in the sending end. The combined signal is transmitted over the communication channel, thus allowing multiple independent data streams to be transmitted simultaneously. At the receiving end, the individual signals are extracted from the combined signal by the process of demultiplexing (DEMUX).

6 0

3 years ago

Sin133+sin 133 value plz give answer

mamaluj [8]

Its 1.73793151243 as a whole but if rounded it is 1.74

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4 years ago

How does the energy in the light of the aurora borealis compare to the energy as an excited electron returns to its original ene

AysviL [449]

Answer:

I THINK IS HALF OF THE ENERGY

Explanation:

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8 0

3 years ago

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Measure of the amount of matter is weight it mass?

mylen [45]

A. Mass is a measure of the amount of matter in an object, while weight is a measure of the force of gravity on the object. B. Weight is a measure of the amount of matter in an object, while mass is a measure of the force of gravity on the object.

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4 years ago

A 62 kg skier is moving at 6.5 m/s on frictionless horizontal snow-covered plateau when she encounters a rough patch 3.50 m long

Degger [83]

Answer:

(A). The work done by friction in crossing the patch is -637.98 J.

(B). The speed of skier is 10.57 m/s.

Explanation:

Given that,

Mass of skier = 62 kg

Speed = 6.5 m/s

Length = 3.50 m