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Showing posts with label Physics. Show all posts
Showing posts with label Physics. Show all posts

Saturday, March 10, 2018

can we record dream

Monday, March 5, 2018

what is science and brief history of science

Monday, September 12, 2016

"If Object Velocity is More Than Velocity of light"

The above concepts deal only on the small object but in the case of star or planet or simply football, try to move them in the speed of the velocity of the light or near it is impossible !!  However, there is nothing that prevents objects that are separated by huge distances from moving relative to each other faster than the speed of light. Over these large distances, the effects of the universe's expansion become important, and the above discussion no longer applies.
No one knows it !! what happens, because it is impossible to travel faster than light.
Science supposes the fundamental limit of speed is light. Now feel interesting to read this question why all the particles that move at the speed of light (e.g. photons) have zero rest mass. If the particle with mass approaches the speed of light, then its energy increases and becomes infinite at the speed of light, which is the reason why it can never be accelerated to reach that speed. This concept has been verified by experiments, and finally, the scientist put out the concept nothing moves faster than light. 

In the sense of science , The limit of light speed is applied int he case of  "inertial frame" -- that is, you are  sitting without any forces acting on you, and you measuring the speed of an object which moves, you measured the time and distance travels by it with the help of ruler and clock. In the case of large distances in the universe, however, we have a very different set of circumstances. No one is in an inertial frame because everyone is being accelerated with respect to everyone else, due to the universe's gravitational field and the fact that the universe is expanding. In effect, the universe's expansion isn't really due to galaxies moving "through space" away from each other, but rather due to the stretching of space itself, which isn't governed by the same limits that we are.
Thus, in fact, it's impossible to move through space (locally) faster than the speed of light, and it's impossible for anyone within the universe to send off a piece of "information" faster than the speed of light, it is still possible for the distances between faraway galaxies to increase faster than the speed of light, due to the rate at which the space between them is stretching. This faster than light "travel" doesn't have any effect on the material that makes up the galaxies (for example, their energy does not become infinite in any meaningful sense) since they aren't really moving with respect to each other in any way that they can measure directly.

Sunday, September 11, 2016

gravitational fact

1. Larger masses have greater gravity

One day God came and ask for one man'' dear son ask me wishes '', and the man says that'' I would like to visit the different planet ''.and god give wishes, then he started to visit the planet. when he visited the planet his weight is the increase in larger masses planet and a decrease in small masses planet.   This above story is not real it only imagines but it is real that, if it is possible to man can visit different planet then the weight comes different in different planet .larger masses planet have large weight and smaller masses planet have small weight . for example Someone who weighs 150 pounds on Earth would — if it were possible to stand on Jupiter — weight a whopping 354 pounds on the enormous gas giant.

2. ''if we drop two things from the building then they fall down in same  time''
you have seen in south Indian movies when the girl falls down from building then after some time boy jumps down and catch does it possible ?? It is gravitation rule ''if we drop two things from building then they fall down in same  time'' , then how that possible ?that is not possible gravitation rule say that the girl and boy fall in different time then they come on surface in different time, and you can ask me that if we throw the stone and feather then we drop freely does the come on surface same time ? you have clear that air resistance depends on the mass and volume.

3. Food Doesn’t Taste Same In Space
one day one scientist decides to visit space, his wife makes different delicious food for him and gives him. He brings that thing and goes for space, but when he eats food in space he doesn't get any test and started vomiting, In space, there is no gravity to pull down fluids – astronaut’s sinuses get clogged up and they can’t really taste much of anything.

Astronauts do not consume carbonated drinks because in space it is hard to separate the liquid and gas in the stomach which leads to ‘wet burp’ (similar to vomiting)

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