a person moving in a circular track completes one round in three parts of equal length with constant speed of v, 2v, and 3v respectively. what is the average speed of the object for the entire trip?
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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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