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Ram Shyam are walking on two perpendicul...

Ram Shyam are walking on two perpendicular tracks with speed `3ms^(-1)` and `4 ms^(-1)`, respectively. At a certain moment `(say t = 0s)`, Ram and Shyam are at 20 m and 40 m away from the intersection of tracks, respectively, and moving towards the intersection of the tracks.
During the motion the magnitude of velocity of ram with respect to Shyam is

A

`1ms^(-1)`

B

`4ms^(-1)`

C

`5ms^(-1)`

D

`7ms^(-1)`

Text Solution

Verified by Experts

`V_(R//S)=sqrt(3^(2)+4^(2))=5`
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