Being made mostly of gas is NOT a
characteristic of an inner planet. The correct answer between all the choices
given is the last choice or letter D. I am hoping that this answer has
satisfied your query and it will be able to help you in your endeavor, and if
you would like, feel free to ask another question.
Answer:
C.) Sled Team C 28 kg moving at 12m/s
I'm pretty sure.
Answer:
refractive index for water,glass,diamond are 0.752m, 0.667m, 0.413m respectively
Explanation:
refractive index (n) = ![\frac{velocity of light in air/vacuum}{velocity of light in substance}](https://tex.z-dn.net/?f=%5Cfrac%7Bvelocity%20of%20light%20in%20air%2Fvacuum%7D%7Bvelocity%20of%20light%20in%20substance%7D)
velocity =![\frac{distance}{time}](https://tex.z-dn.net/?f=%5Cfrac%7Bdistance%7D%7Btime%7D)
The time for travel is kept constant for all mediums.
refractive index (n) = ![\frac{\frac{distance in vacuum}{time} }{\frac{distance in medium}{time} }\\ \\=\frac{distance in vacuum}{distance in medium}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Cfrac%7Bdistance%20in%20vacuum%7D%7Btime%7D%20%7D%7B%5Cfrac%7Bdistance%20in%20medium%7D%7Btime%7D%20%7D%5C%5C%20%5C%5C%3D%5Cfrac%7Bdistance%20in%20vacuum%7D%7Bdistance%20in%20medium%7D)
distance in medium = ![\frac{distance in vacuum}{refractive index of medium}](https://tex.z-dn.net/?f=%5Cfrac%7Bdistance%20in%20vacuum%7D%7Brefractive%20index%20of%20medium%7D)
![S_{medium} = \frac{S_{vacuum} }{n_{medium} }](https://tex.z-dn.net/?f=S_%7Bmedium%7D%20%20%3D%20%5Cfrac%7BS_%7Bvacuum%7D%20%7D%7Bn_%7Bmedium%7D%20%7D)
For water, n= 1.33
![S_{water} = \frac{1 }{1.33}](https://tex.z-dn.net/?f=S_%7Bwater%7D%20%3D%20%5Cfrac%7B1%20%7D%7B1.33%7D)
![S_{water} = 0.752m](https://tex.z-dn.net/?f=S_%7Bwater%7D%20%3D%200.752m)
For glass, n=1.5
![S_{glass}= \frac{1 }{1.5}](https://tex.z-dn.net/?f=S_%7Bglass%7D%3D%20%5Cfrac%7B1%20%7D%7B1.5%7D)
![S_{glass} = 0.667m](https://tex.z-dn.net/?f=S_%7Bglass%7D%20%3D%200.667m)
For diamond, n= 2.42
![S_{diamond} = \frac{1 }{2.42}](https://tex.z-dn.net/?f=S_%7Bdiamond%7D%20%3D%20%5Cfrac%7B1%20%7D%7B2.42%7D)
![S_{diamond} = 0.413m](https://tex.z-dn.net/?f=S_%7Bdiamond%7D%20%3D%200.413m)
Answer: 7 km
Explanation: 12 minutes is 1/5 of an hour. 35/5=7