Two intersecting straight lines move parallel to themselves with speed 3 m/s and 4 m/s respectively The speed of the point of intersection of the lines if the angle between them is 90 degree will be:

Question:Two intersecting straight lines move parallel to themselves with speed 3 m/s and 4 m/s respectively The speed of the point of intersection of the lines if the angle between them is 90 degree will be:

1.5 m/s

2.3 m/s

3.4 m/s

4.none of these


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