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rosijanka [135]
3 years ago
6

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
CAN SOMEONE PLEASE HELPPPPPP
Natali5045456 [20]

Answer:

0.54

Explanation:

2.7÷5 = 0.54

Hope this helps!

6 0
3 years ago
Find the equation of the line passing through the points(-3,0)and(2,-3).<br>asap​
AleksandrR [38]
This isn’t physics assnugget
7 0
3 years ago
What is the magnitude of velocity for a 2,000 kg car possessing 3,000 kg(*)m/s of momentum?
Trava [24]

The magnitude of velocity for this car is equal to 1.5 m/s.

<u>Given the following data:</u>

  • Momentum of car = 3,000 kgm/s.
  • Mass of car = 2,000 kg.

To calculate the magnitude of velocity for this car:

<h3>What is momentum?</h3>

In Science, momentum simply means a multiplication of the mass of an object and its velocity.

Mathematically, momentum is giving by the formula;

Momentum = mass \times velocity

Making velocity the subject of formula, we have:

Velocity=\frac{Momentum}{Mass}

Substituting the given parameters into the formula, we have;

Velocity=\frac{3000}{2000}

Velocity = 1.5 m/s.

Read more on momentum here: brainly.com/question/15517471

5 0
3 years ago
John walked a distance of 900 meters in 10 minutes what was his average speed in kilomerters per hour
LuckyWell [14K]

Answer:

5.4

Explanation:

900/10=90 and 90(60)=5400 meters. 5400/100=5.4

3 0
3 years ago
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