Science, asked by Billie, 1 year ago

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Today's QUESTION friends ......,,,

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✨✨⭐️⭐️WHAT ARE THE TIME INTERVALS THAT WE HAVE TO DEAL WITH , NOWADAYS ❓

CHAPTER ➕➕MOTION and TIME.........


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Answers

Answered by khushiwarjurkar
6

Nowadays in our daily lives we deal with the time interval consepts quite frequently like


The 'clock' is totally based on this consepts (and can be said best example for time interval) the second hand moves with time interval of 1 second.. while minute hand with interval of a minute which is 60second and hour hand with interval of 1 hour.


And moving on other uses time interval of our school periods, hour glass, even our daily habits consist of some time intervals...


Hope you like the answer.

Answered by Anonymous
5
"Is it possible to travel through time? To answer this question, we must be a bit more specific about what we mean by traveling through time. Discounting the everyday progression of time, the question can be divided into two parts: Is it possible, within a short time (less than a human life span), to travel into the distant future? And is it possible to travel into the past?

"Our current understanding of fundamental physics tells us that the answer to the first question is a definite yes, and to the second, maybe.

"The mechanism for traveling into the distant future is to use the time-dilation effect of Special Relativity, which states that a moving clock appears to tick more slowly the closer it approaches the speed of light. This effect, which has been overwhelmingly supported by experimental tests, applies to all types of clocks, including biological aging.

"If one were to depart from the earth in a spaceship that could accelerate continuously at a comfortable one g (an acceleration that would produce a force equal to the gravity at the earth's surface), one would begin to approach the speed of light relative to the earth within about a year. As the ship continued to accelerate, it would come ever closer to the speed of light, and its clocks would appear to run at an ever slower rate relative to the earth. Under such circumstances, a round trip to the center of our galaxy and back to the earth--a distance of some 60,000 light-years--could be completed in only a little more than 40 years of ship time. Upon arriving back at the earth, the astronaut would be only 40 years older, while 60,000 years would have passed on the earth. (Note that there is no 'twin paradox,' because it is unambiguous that the space traveler has felt the constant acceleration for 40 years, while a hypothetical twin left behind on a spaceship circling the earth has not.)

"Such a trip would pose formidable engineering problems: the amount of energy required, even assuming a perfect conversion of mass into energy, is greater than a planetary mass. But nothing in the known laws of physics would prevent such a trip from occurring.

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