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Physics
Physics
Problem
A vehicle travels half the distance with speed
v
v
v
and the remaining distance with speed
2
v
2v
2
v
. Its average speed is: a.
3
v
4
\frac{3v}{4}
4
3
v
b.
v
3
\frac{v}{3}
3
v
c.
2
v
3
\frac{2v}{3}
3
2
v
d.
4
v
3
\frac{4v}{3}
3
4
v
a.
3
v
4
\frac{3v}{4}
4
3
v
b.
v
3
\frac{v}{3}
3
v
c.
2
v
3
\frac{2v}{3}
3
2
v
d.
4
v
3
\frac{4v}{3}
3
4
v
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