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Westkost [7]
4 years ago
8

100 POINTS!!!!!!!!!!!!!! Hello people! So I really need help on this essay. It's due tomorrow but I have two more due tomorrow.

Please help me write this! The topic is Solar energy and how it can benefit life. Please, and thank you! 100 POINTS!!!!!!!!!!!
Physics
2 answers:
almond37 [142]4 years ago
7 0

Answer:

the solar energy benefits life because it does not produce greenhouse chemicals that are dangerous to the evironment, it uses the hot light of the plasma from the sun to pass through the solar panels. it also provides lots of money savings troughout the seasons.

Explanation:

Whitepunk [10]4 years ago
6 0

Answer:

Solar energy; It benefits life because it does not produce greenhouse chemicals that are dangerous to the evironment, it uses the hot light of the plasma from the sun to pass through the solar panels, form there it can be stored and used in batteries already built in, it also provides lots of money savings troughout the seasons, and it can save 155 dollars a year.

Explanation:

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vodomira [7]
5207 because I said so
5 0
3 years ago
A shaving or makeup mirror is designed to magnify your face by a factor of 1.40 when your face is placed 20.0cm in front of it
Dennis_Churaev [7]

Answer:

(a) convex mirror

(b) virtual and magnified

(c) 23.3 cm

Explanation:

The having mirror is convex mirror.

distance of object, u = - 20 cm

magnification, m = 1.4

(a) As the image is magnified and virtual , so the mirror is convex in nature.

(b) The image is virtual and magnified.

(c) Let the distance of image is v.

Use the formula of magnification.

m =-\frac{v}{u}\\1.4=-\frac{v}{-20}\\v =28 cm

Use the mirror equation, let the focal length is f.

\frac{1}{f}=\frac{1}{v}+\frac{1}{u}\\\frac{1}{f}=\frac{1}{28}+\frac{1}{20}\\\frac{1}{f}=\frac{28+20}{560}\\f=11.67cm

Radius of curvature, R = 2 f = 2 x 11.67 = 23.3 cm

5 0
3 years ago
Two cars with the same velocity must have the same speed. True or false ?
gogolik [260]
This is True, cars with the same velocity must have the exact same speed.
3 0
3 years ago
Read 2 more answers
A chemist needs 15.0 grams of ethanol for a reaction. If the density of ethanol is 0.789 g/ml, how many milliliters of alcohol s
harina [27]
  • Mass=15g
  • Density=0.789g/ml

\\ \bull\tt\dashrightarrow Density=\dfrac{Mass}{Volume}

\\ \bull\tt\dashrightarrow Volume=\dfrac{Mass}{Density}

\\ \bull\tt\dashrightarrow Volume=\dfrac{15}{0.789}

\\ \bull\tt\dashrightarrow Volume=19.01mL

3 0
3 years ago
Which of the following materials has the highest dielectric constant
8090 [49]

Answer: D. Tantalum pentoxide

Explanation:

It has the highest dielectric constant at 26

4 0
3 years ago
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