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Activity 3: What is your time? "The faster you move in space the slower you move in time" Suppose a space traveller in a space ship passed by you in a whooping speed, almost the speed of light. The space traveller, in his clock, measured a time elapse of one second. fast! Will you measure the same elapsed time? Why? Why not?

Activity 3: What is your time? "The faster you move in space the slower you move in time" Suppose a space traveller in a space ship passed by you in a whooping speed, almost the speed of light. The space traveller, in his clock, measured a time elapse of one second. fast! Will you measure the same elapsed time? Why? Why not?

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Activity 3: What is your time? "The faster you move in space the slower you move in time" Suppose a space traveller in a space ship passed by you in a whooping speed, almost the speed of light. The space traveller, in his clock, measured a time elapse of one second. fast! Will you measure the same elapsed time? Why? Why not? You might think that the time measured by the spaceman and your measured time should not matter. However, the time for each frame of reference really matters. One of the consequences of Einstein's postulates of Special Theory of relativity is stretching of time. If we agreed that the laws of Physics are the same for all observers for inertial reference frames and that the speed of light is constant, then it would only be possible if time is not absolute. It means that observers at different frames will observe and experience time in different ways. Time then is something personal for every observer. Very odd indeed! We call this as time dilation. How much time stretches can be derived using simple geometry. Here is the equation: This equation is not as scary as it appears. You just have to remember what each letter represents. to = proper time (In the frame of reference moving with the clock) t = relative time (Another frame of reference not with the moving clock) v = speed of the clock (Relative to the outside observer) speed of light (This is constant. You can use 3.0 x10® ") c =
Transcribed Image Text:Activity 3: What is your time? "The faster you move in space the slower you move in time" Suppose a space traveller in a space ship passed by you in a whooping speed, almost the speed of light. The space traveller, in his clock, measured a time elapse of one second. fast! Will you measure the same elapsed time? Why? Why not? You might think that the time measured by the spaceman and your measured time should not matter. However, the time for each frame of reference really matters. One of the consequences of Einstein's postulates of Special Theory of relativity is stretching of time. If we agreed that the laws of Physics are the same for all observers for inertial reference frames and that the speed of light is constant, then it would only be possible if time is not absolute. It means that observers at different frames will observe and experience time in different ways. Time then is something personal for every observer. Very odd indeed! We call this as time dilation. How much time stretches can be derived using simple geometry. Here is the equation: This equation is not as scary as it appears. You just have to remember what each letter represents. to = proper time (In the frame of reference moving with the clock) t = relative time (Another frame of reference not with the moving clock) v = speed of the clock (Relative to the outside observer) speed of light (This is constant. You can use 3.0 x10® ") c =
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