How are electrical signals transmitted over long distances?

Physics

1 answer:

forsale [732]3 years ago

4 0

Answer:

Over such small distances, digital data may be transmitted as direct, two-level electrical signals over simple copper conductors. This results from the electrical distortion of signals traveling through long conductors, and from noise added to the signal as it propagates through a transmission medium.

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A book falls off a desk. The book has a mass of 1.2 kg and was at a height of 0.9 m. How much mechanical energy does the book ha

Valentin [98]

The book's potential energy will be converted entirely to kinetic energy at that point in the fall, since we can neglect losses due to air resistance. The potential energy is given by PE=mgh, where m=1.2kg, h=0.9m, and g=9.81m/s^2. This is the acceleration due to gravity.
This gives:
PE=1.2*0.9*9.81=10.59J
This is also the kinetic (mechanical) energy right before the landing.

3 0

3 years ago

Read 2 more answers

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Natali5045456 [20]

Answer:

0.54

Explanation:

2.7÷5 = 0.54

Hope this helps!

6 0

3 years ago