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Kobotan [32]
3 years ago
11

Convert 25 cm to km using the method of dimensional analysis

Physics
2 answers:
pogonyaev3 years ago
7 0

25 x 10^-5
= 0.00025

25 cm
= 0.00025 km
liraira [26]3 years ago
3 0

Answer:

0.00025km

<em>PLEASE</em><em> </em><em>MARK</em><em> </em><em>AS</em><em> </em><em>BRAINLIEST</em><em> </em><em>ANSWER</em><em> </em>

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Light incident upon a pane of glass slows down in passing through the glass, Does it emerge at a slower speed or at its initial
Simora [160]

Answer:

It will emerge at its initial speed not a slower speed.

Explanation:

It will emerge at the initial speed because the medium at the point of emergence is the same as the medium before incidence.

Light moves at a constant speed in any particular medium. Hence, the speed of light in air is constant in air and the speed of light in glass is constant in glass.

4 0
3 years ago
How can an electron in an atom lose energy to go from a higher energy level to a lower energy level? select one:
Romashka-Z-Leto [24]
I belive that the answer is b. 
8 0
3 years ago
Which statements describe Newton and the law of universal gravitation
Fofino [41]

Answer:

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8 0
3 years ago
Convert 2536 mm/min to m/s. Use dimensional analysis.
Deffense [45]

Answer:

<u>As</u><u> </u><u>we</u><u> </u><u>kno</u><u>w</u><u> </u><u>that</u><u>,</u><u> </u>

  • 1 mm/min = 1.66667E-5 m/s
  • 1 m/s = 60000 mm/min

<u>Now</u><u>,</u><u> </u><u>come</u><u> </u><u>to</u><u> </u><u>the</u><u> </u><u>question</u><u> </u><u>-</u><u> </u>

\\  \implies \sf \: 2536 \times  1.66667E-5 m/s \\  \\  \\  \implies \sf \blue{0.0422666667 \:m/s  } \\

Result : 2536 mm/min = 0.0422666667 m/s.

6 0
4 years ago
If a 60 kg woman, runs up a flight of stairs having a total rise of 4.0m in a time of 4.2s. What average power did she supply?
LenKa [72]
 <span>PE = m * g * h 
PE = 60 * 9.8 * 4 
PE = 2352 J 

Power = E/t 

Power = PE/t 
Power = 2352/4.2 
Power = 560 Watt</span>
6 0
4 years ago
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