Good morning. Today I will also advance some physics, the following exercises sent me but in...

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Physics

Good morning. Today I will also advance some physics, thefollowing exercises sent me but in these three exercises of theworkshop I got confused by the reference system, I did not get toraise the equation. I thank you in advance for your help :)
First exercise:
According to the driver of a car, whose speed is 0.64c, the lastlap of the circuit was done in only 18s. How long did it take tomake that lap according to the public who attended the event? Makean outline of the previous situation.
Second exercise:
An observer passes by a certain place with a speed, along thehorizontal axis, of 0.86c, and appreciates that the boom (or arm)of a crane has a length of 5.8m and forms an angle of 60Â° withrespect to the Earth. According to crane operator:
a) How long is the boom?
b) At what angle did you lift it?
c) Make a diagram of the previous situations.
Third exercise:
The pilot of a rocket that moves at a speed of 0.77c with respectto the Earth observes a
second rocket approaching in the opposite direction with a velocityof 0.45c. What velocity will an observer on Earth measure for thesecond rocket? Make an outline of the above situation.

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4.4 Ratings (952 Votes)

a lets approach the first problem by Lorentztransformationwe knowsince t 18 sv 064 cx vt 18 s x 064 c 1152 cthus subs 106272 06 17712thus for the people on the stand will see the See Answer

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