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Ghella [55]
3 years ago
10

If the index of refraction of glass is 1.5, calculate the velocity of light in glass.

Physics
2 answers:
liubo4ka [24]3 years ago
8 0

speed of light in medium is 199,861.6 km/s

finlep [7]3 years ago
6 0

Aye, so the first answer is also correct but it’s just not solved all the way.

199,861.6 KILOMETERS per second means that you just have to multiply that by 1,000 to change it into meters. This will get you 199,861,600 meters.

Last thing you need to do it change it into scientific notation which would round the number to 200,000,000 which would translate to 2.0 x 10^8.

The answer is 2.0 x 10^8

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Question 6
Margaret [11]

Limestone and dolomite are the rocks present in the locations which leads to the formation of caves.

<h2>Formation of caves</h2>

The type of rocks that once existed in these  locations are limestone and dolomite whereas the pH of the nearby groundwater is slightly acidic which is responsible for the formation of caves. Caves are formed by the dissolution of limestone due to acid rain.

<h3>Acid rain</h3>

Rainwater reacts with carbon dioxide from the air and percolates through the soil, which turns into a weak acid. This slowly dissolves out the limestone which become turn to form caves so we can conclude that Limestone and dolomite are the rocks present in the locations which leads to the formation of caves.

Learn more about caves here: brainly.com/question/7965722

Learn more: brainly.com/question/26111031

4 0
2 years ago
What is the name given to a material with zero resistance that can conduct electricity without a loss of energy?
tatyana61 [14]
It would be C. Superconductor 
3 0
3 years ago
What effect does air resistance have on the projectile
Vesnalui [34]

more deceleration.

in vertical motion downwards => terminal velocity ... raindrops etc

7 0
4 years ago
Read 2 more answers
Select all that apply.
Nana76 [90]

Answer: It is both B and D

Select all that apply.

At night, thermal energy moves _____.

from space to the atmosphere

from the land to the atmosphere

from the atmosphere to the land

from the atmosphere to space

3 0
4 years ago
Read 2 more answers
How is this formula ( Rt= r1 x r2 / r1 + r2) which is used to calculate total resistance of two parallel resistors found from th
Maru [420]

Explanation:

The total resistance used to calculate the total resistance of the two parallel resistor is given by :

R_t=\dfrac{r_1\times r_2}{r_1+r_2}

Taking reciprocal of the above equation.

\dfrac{1}{R_t}=\dfrac{r_1+r_2}{r_1\times r_2}

We can also write the above equation as :

\dfrac{1}{R_t}=\dfrac{r_1}{r_1\times r_2}+\dfrac{r_2}{r_1\times r_2}

On simplification of above equation,

\dfrac{1}{R_t}=\dfrac{1}{r_2}+\dfrac{1}{r_1}

or

\dfrac{1}{R_t}=\dfrac{1}{r_1}+\dfrac{1}{r_2}

Hence, proved.

4 0
3 years ago
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