A person moving on a circular track completes one round in three parts of equal length with the the constant speed of v, 2v, 3v respectively. The average speed of object for the entire trip is?
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hey mate
here is your answer
here we are using a special formula which is valid only for this type of question.
the average speed of the body is given by:
=3*v1*v2*v3/(v1*v2+v2*v3+v3*v1)
=3*v*2v*3v/(v*2v+2v*3v+3v*v)
=18v³/(2v²+6v²+3v²)
=18v³/(11v²)
=18v/11(answer)
here is your answer
here we are using a special formula which is valid only for this type of question.
the average speed of the body is given by:
=3*v1*v2*v3/(v1*v2+v2*v3+v3*v1)
=3*v*2v*3v/(v*2v+2v*3v+3v*v)
=18v³/(2v²+6v²+3v²)
=18v³/(11v²)
=18v/11(answer)
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