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A student cycles at and at
PHYSICS · Numerical · CBSE · Physics · Motion · Motion
Problem
A student cycles
10
km
10\text{ km}
10
km
at
20
km h
−
1
20\text{ km h}^{-1}
20
km h
−
1
and
10
km
10\text{ km}
10
km
at
40
km h
−
1
40\text{ km h}^{-1}
40
km h
−
1
. What is the average speed?
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