How many times will the longitudinal size of the body decrease when moving at a speed of 0.8 s (c is the speed of light)

univerkov | September 25, 2021 | education

To calculate the decrease in the longitudinal size of the specified moving body, we use the formula: k = l0 / l = 1 / √ (1 – V ^ 2 / C ^ 2).

Variables: V is the speed of the specified body (V = 0.8 C).

Let’s perform the calculation: k = 1 / √ (1 – V ^ 2 / C ^ 2) = 1 / √ (1 – (0.8C) ^ 2 / C ^ 2) = 1 / 0.6 = 1.66 (6 ) R.

Answer: The length of the indicated moving body will decrease by 1.66 (6) times.

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