Question

define time dilation and length contraction and also write formula for length contraction and time dilation

Answer 1

Time is not absolute. Every moving body have there own personal time. Time is relative to velocity and Gravity. For example If object is moving with high velocity and placed in curved space time Its time will go slow . Length of object will contract if it moving with high velocity.

Answer 2

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question=

Does Time dilation affects the speed of moving object.

Answer:-
_______

yes time dilation affects the speed of moving object.

according to theory of relativity there is a postulate used that nothing can travel higher than the speed of light

means

more than

299792458m/s

and our universe is limited at this speed so if any object will travel at the speed of light then the physical forces stop that.

means any object can travel 99.99% of speed of light but not 100%.

so

if any object goes near the speed of light then the time dilation occurs to maintain the physical laws and a limited speed of universe.

here

in pic

the formula of time dilation is given

and now

length contradiction

if object travels at high speed then it seems that the length of that object has been contracted.

means it seems smaller than its real length

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