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jok3333 [9.3K]
3 years ago
6

Which energy source for electricity would cause the least damage to the planet?

Physics
2 answers:
Temka [501]3 years ago
8 0

Answer:

Solar Energy .

Explanation:

We widely use 2 kinds of sources of energy . Coal and Nuclear . on burning coal we get carbon monoxide , which can kill a vast majority of peope . Also coal contains sulfur and other elements, including dangerous metals such as mercury, lead, and arsenic, that escape into the air when coal is burned.

Nuclear energy produces radioactive waste. nuclear power creation causes lots of damge to our envirnment .The radio active waste remains active and are harmful for living being health.

While on the other hand solar energy though comes expensive , but trust me ! its worth using it .Its absolutely fine if we spend lots of money and save even 1 person's life . Its a renewable source , and we can invest the money by saving utility bills .

ikadub [295]3 years ago
3 0

Answer:

Solar panels

Explanation:

Not given answer choices, but this is efficient as energy is taken from the sun.

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A periodic transverse wave has an amplitude of 0.20 meter and a wavelength of 3.0 meters. If the frequency of this wave is 12 Hz
skelet666 [1.2K]

Answer:

36 m/s

Explanation:

The speed of wave is a product of wavelength and frequency, expressed as s=fw where f is frequency in Hz and w is wavelength. Wavelength is the distance between successive crests while frequency is also the reciprocal of time. Amplitude has no effect on the velocity of waves. Substituting frequency with 12 Hz and wavelength with 3 m then the speed will be

S=3*12=36 m/s

Therefore, the speed is 36 m/s

5 0
3 years ago
As the Earth orbits the sun, the average distance between their centers at any given time is 1.5x10^11 meters. If the mass of th
natta225 [31]

Answer:

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Explanation:

8 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! I CANNOT RETAKE THIS!!
Varvara68 [4.7K]

The answer to your question is,

4 kilometers north

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6 0
3 years ago
Which two of the following reduce the background noise in magneto- medicine?
horrorfan [7]

Answer:

The answer is b.) and d.)

Explanation:

The options to reduce the background noise in magneto-medicine are given as follows:

a.) Orienting the heart parallel to the Earth's field

   - This will have no significant effect on the measurements.

b.) Taking the difference of two nearby sensor measurements (gradiometer).

    -This answer is TRUE.

c.) Placing the heart in a perpendicular fashion to the Earth's magnetic field.

   _ This answer also will not have any significant effect on measurements.

d.) Using physical means to shield environmental fields.

   - This answer is TRUE.

4 0
3 years ago
An explosion occurs 34 km away. the time it takes for its sound to reach your ears, traveling at 340 m/s, is
Murrr4er [49]
Let's convert the distance in meters first:
d=34 km=34000 m=3.4 \cdot 10^4 m
The sound wave travels at speed 
v=340 m/s
So we can use the basic relationship between space, time and velocity to calculate the time it takes for the sound to reach our ears:
t= \frac{S}{v}= \frac{3.4 \cdot 10^4 m}{340 m/s}=100 s
3 0
3 years ago
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