Question

A BUS APPEARS TO MOVE TOWARDS NORTHWARD AT A SPEED 20√3 KM/HR TO A MAN DRIVING IS CAR EASTWARDS WITH 20KM/HR.FIND THE VELOCITY OF THE BUS WITH RESPECT TO GROUND

Answer 1

1. Answer:  Explanation: The bus is appearing to move towards the north direction wrt the driver,so by this we conclude that the bus was initially moving in the north east direction.so,Vbg(velocity of bus wrt ground)=$\sqrt{velocity of bus wrt car^{2}+velocity of car wrt ground^{2}  } [tex]Vbg=Square root(20root3)^2 + (20)^2$$Vbg =squareroot (1200+4000)$$Vbg=40km/hr$

Answer 2

Answer: 40 km/hr

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