![Did I do the algebra right? How can the speed of light, a known velocity, equal the square-root of Energy over mass? This doesn't make sense to me. Can anyone explain this Did I do the algebra right? How can the speed of light, a known velocity, equal the square-root of Energy over mass? This doesn't make sense to me. Can anyone explain this](https://external-preview.redd.it/Kfmzc0a6l4OLrtry_C6HgsHhN24jmkU0Mw5RcqK3eco.jpg?auto=webp&s=1813f0bdba0ed2b916fe06885055fe8dbc032890)
Did I do the algebra right? How can the speed of light, a known velocity, equal the square-root of Energy over mass? This doesn't make sense to me. Can anyone explain this
![The velocity of light in air is 3 × 10^10 cm/sec . If the refractive index of glass with respect to air is 1.5 , then velocity of light in glass is The velocity of light in air is 3 × 10^10 cm/sec . If the refractive index of glass with respect to air is 1.5 , then velocity of light in glass is](https://haygot.s3.amazonaws.com/questions/2010479_1591555_ans_e5a3de5fbe6f4fa68786f514386e0c57.jpg)
The velocity of light in air is 3 × 10^10 cm/sec . If the refractive index of glass with respect to air is 1.5 , then velocity of light in glass is
![8.16 use the equation relating change in wavelength, wavelength, velocity of a galaxy and the speed of light: - TutorMyself Chemistry 8.16 use the equation relating change in wavelength, wavelength, velocity of a galaxy and the speed of light: - TutorMyself Chemistry](https://www.tutormyself.com/wp-content/uploads/doppler-worked-eg-300x194.png)
8.16 use the equation relating change in wavelength, wavelength, velocity of a galaxy and the speed of light: - TutorMyself Chemistry
![a) The speed of sound in units of speed of light, c S /c and (b) the... | Download Scientific Diagram a) The speed of sound in units of speed of light, c S /c and (b) the... | Download Scientific Diagram](https://www.researchgate.net/publication/305896145/figure/fig5/AS:391943310856196@1470457975213/a-The-speed-of-sound-in-units-of-speed-of-light-c-S-c-and-b-the-ratio-of-shock.png)
a) The speed of sound in units of speed of light, c S /c and (b) the... | Download Scientific Diagram
![Relationship between the ratio of proton velocity v to speed of light c... | Download Scientific Diagram Relationship between the ratio of proton velocity v to speed of light c... | Download Scientific Diagram](https://www.researchgate.net/publication/24163543/figure/fig2/AS:394603606888450@1471092239146/Relationship-between-the-ratio-of-proton-velocity-v-to-speed-of-light-c-and-the-ratio-of.png)