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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 4 - Motion in Plane > Two cars are moving in the same direction with the same speed 30km/hr . They are separated from each other by 5km.Third car moving in the opposite direction meets the two cars after an interval of 4 minutes, what is the speed of the third car?

Two cars are moving in the same direction with the same speed 30km/hr . They are separated from each other by 5km.Third car moving in the opposite direction meets the two cars after an interval of 4 minutes, what is the speed of the third car?

In the diagram 100 kg block is hanging from a pulley and force F is applied on the string to keep the system in equilibrium if the whole system is moving up with a constant velocity v then tension at point P.in the string will be