A) \[\frac{7}{2}v\] m/minute
B) 5 v m/minute
C) v m/minute
D) None of these
Correct Answer: B
Solution :
[b] At time t, the distance z between the cyclists is given by \[{{z}^{2}}={{(3vt)}^{2}}+{{(4vt)}^{2}}\] \[\therefore \,\,\,z=5vt\Rightarrow \frac{dz}{dt}=5v\]You need to login to perform this action.
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