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aleksandrvk [35]
3 years ago
8

What is the best energy source of electricity

Physics
2 answers:
Anni [7]3 years ago
7 0
The sun is the best source of energy
fgiga [73]3 years ago
7 0
Solar Power, the amount of energy the sun send towards our planet is 35,000 times more than what we currently produce and consume
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UV Rays. - yung bandz
                       


4 0
3 years ago
When an average force F is exerted over a certain distance on a shopping cart of mass m, its kinetic energy increases by 12mv2.
VMariaS [17]

Answer:

A)d=\dfrac{1}{2F}mv^2

B)\Delta KE'=2\times \dfrac{1}{2}mv^2

Explanation:

Given that

Force  = F

Increase in Kinetic energy = \dfrac{1}{2}mv^2

\Delta KE=\dfrac{1}{2}mv^2

we know that

Work done by all the forces =change in the kinetic energy

a)

Lets distance = d

We know work done by force F

W= F .d

F.d=ΔKE

F.d=\dfrac{1}{2}mv^2

d=\dfrac{1}{2F}mv^2

b)

If the force become twice

F' = 2 F

F'.d=ΔKE'

2 F .d = ΔKE'                          ( F.d =Δ KE)

2ΔKE = ΔKE'

\Delta KE'=2\times \dfrac{1}{2}mv^2

Therefore the final kinetic energy will become the twice if the force become twice.

8 0
3 years ago
PLEASE HELP!!! THIS IS URGENT
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It's 120N downwards. net force is adding or subtracting the x and y values
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What is noble gases<br>​
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Answer:

helium, neon, argon,krypton, xenon, and radonoccupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.

6 0
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Which type of multiplexing is defined by wavelength instead of frequency?​ a. ​wdm b. ​cwdm c. ​dwdm d. ​fdm?
Rina8888 [55]
<span>Multiplexing is the process of combining numerous signal of data or sound on to a single carrier like an optical fiber by using different wavelengths. The type of multiplexing that is defined by wavelength instead of frequency is CWDM which is also known as Coarse Wavelength Division Multiplexing.</span>
6 0
3 years ago
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