A car X starts running from a place at a uniform speed of 40 km/h in a particular direction. After one and half hour, another car Y starts running in the same direction from the same place at a uniform speed and overtakes car X after 1 hour 36 minutes. Find the speed of car Y

A car is moving along a road with a uniform speed of 20 km/hour. The net force acting on the car is

A train X starts from a place at a speed of 50 km/hr. After one hour, another train Y starts from the same place at a speed of 70 km/hr. After how much time will Y cross X?

Two cars A and B are moving in same direction with a speed of 40km/h. the distance between cars A and B is constant and is 5km. Another car C is also moving in the same direction. If at a certain instant car B is overtaking C, then car A takes 20 minutes to overtake C. find speed of C?

Two cars starts out simultaneously from a point in the same direction, one of them going at a speed of 50 kmhr^-1 and the other at 40 kmhr^-1 . In half an hour a third car starts out from the same point and overtakes the first car 1.5 hours after catching up with the second car. The speed of the third car is.