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Can a body exceed 3/4 the speed of light in water.
Yes, a body can exceed 3/4 speed of light in water. This is because the speed of light in water is slower than the speed of light in a vacuum, which is the maximum speed possible in the universe.
The speed of light in water is approximately 75% of the speed of light in a vacuum, which is equal to 2.25 x 10^8 meters per second.
The speed of light is slower in water due to the water molecules interacting with the photons of light, causing them to slow down. This is similar to how light is slowed down when passing through other dense materials, such as glass or diamond.
No, it is not possible for anything to travel at the speed of light in water. This is because the speed of light is the maximum speed possible in the universe, and anything with mass cannot reach this speed.
According to Einstein's theory of relativity, time appears to slow down for objects in motion relative to an observer. Therefore, a body moving at high speeds in water may experience time dilation, where time passes slower for them compared to an observer outside of the water.