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two staight lines l1 and l2 cross each other at point p . the line l1 is moving at a speed v1 perpendicular to itself and the line l2 is moving at a speed v2 in the similar fasion . the speed of point p is.

two staight lines l1 and l2 cross each other at point p . the line l1 is moving at a speed v1 perpendicular to itself and the line l2 is moving at a speed v2 in the similar fasion . the speed of point p is.

Grade:11

1 Answers

Pooja
127 Points
4 years ago
Suppose line l1 is oriented horizantally and it's velocity v1 is in vertical direction
 
Similarly , line l2 is oriented vertically and it's velocity v2 is in horizontal direction
 
At point where they cross it will have both horizontal and vertical components of velocity.
So net velocity,

V = (v12 + v22)1/2

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