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Artyom0805 [142]
3 years ago
10

Power lines often carry high voltages. For example, a single power line may carry 100,000 volts. An outlet in a home only carrie

s 120-240 volts. What accounts for this difference in voltage?
- Voltage is decreased due to traveling long distances.
- Voltage is decreased by local transformers.
- Voltage is decreased as it is lost to the environment.
Physics
2 answers:
almond37 [142]3 years ago
8 0

Answer: The second one? C.

adoni [48]3 years ago
7 0

Answer:

B. - Voltage is decreased by local transformers.

Explanation:

edge 2021  beep boop

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An unstable particle at rest spontaneously breaks into two fragments of unequal mass. The mass of the first fragment is 3.00 10-
kirill [66]

Answer:0.478 c

Explanation:

Given

mass of lighter Particle(m_1)=3\times 10^{-28} kg

mass of heavier Particle(m_2)=1.51\times 10^{-27} kg

speed of lighter particle(v_1)=0.834 c

Let speed of heavier particle=v_2

and Momentum of the particle is given by

P=\frac{mv}{\sqrt{1-(\frac{v}{c})^2}}

P_1=\frac{m_1v_1}{\sqrt{1-(\frac{v_1}{c})^2}}

P_1=\frac{3\times 10^{-28}\times 0.834 c}{\sqrt{1-(\frac{0.834 c}{c})^2}}

P_1=8.219\times 10^{-28} kg c

P_2=\frac{m_2v_2}{\sqrt{1-(\frac{v_2}{c})^2}}

as momentum is conserved therefore P_1=P_2

8.219\times 10^{-28} kg c=\frac{1.51\times 10^{-27}\times v_2}{\sqrt{1-(\frac{v_2}{c})^2}}

v_2=0.478 c

3 0
3 years ago
A bicyclist accelerates from rest to a speed of
Murljashka [212]

Answer:

They have the same acceleration of 0.5m/s2 (please note m/s2 is the unit for acceleration and 2 is the power of s)

Explanation:

acceleration= velocity ÷ time

and the time is said to be 10seconds

velocity of car will be the new velocity- the initial velocity = 27-22= 5

acceleration= 5÷10

acceleration= 0.5

hope this helped

now hit that crown button :)

3 0
3 years ago
A common prism or grating shows the solar spectrum to be a rainbow of colors. But if you spread the spectrum out enough you begi
mafiozo [28]
I think it's spectrum wavelengths
6 0
3 years ago
decibels are a measure of sound on a logarithmic scale, where the number in front of the zero represents the number of powers of
Korolek [52]

The  power ratio of a washing machine at 80 decibels is 10⁸ or 100,000,000.

<h3>What is the power ratio of a sound of 80 decibels?</h3>

Sound is a form of disturbance created by the vibrations of the medium and which travels across the medium in wave form.

A measure of sound intensity is decibels.

Decibels are a measure of sound on a logarithmic scale, where the number in front of the zero represents the number of powers of 10.

Therefore, the power ratio of a washing machine at 80 decibels will be 10⁸.

In conclusion, sound are vibrations which transmit energy.

Learn more about sound at: brainly.com/question/1199084

#SPJ1

5 0
2 years ago
What type of conversations is taking place when natural gas is used to heat water
Svet_ta [14]

Chemical energy is being converted into thermal energy.

5 0
4 years ago
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