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A Particle is moving along north with a velocity of 20 m/s and another particle is moving at 10m/s along the south. Then the velocity of the first particle with respect to the second is

Option: 1

10 m/s along North


Option: 2

10 m/s along south


Option: 3

30 m/s along north

 


Option: 4

30 m/s along south


Answers (1)

best_answer

As we learned

In Relative Velocity that 

 Relative velocity of object A with respect to object B  is given by 

                                            \vec{V}_{AB}= \vec{V}_A-\vec{V}_B

So

 \underset{V}{\rightarrow}_{r}  = \underset{V}{\rightarrow}_{1}  -  \underset{V}{\rightarrow}_{2}   = 20 -  (-10) = 30 m/s  along north

 

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