Question

A rod AB moves towards the origin O of a fixed rectangu lar co-ordinate system, always perpendicu lar to the bisector of the angle XOY, with a velocity v. the speed of end B with respect to O will

Answer 1

Answer:

Explanation:v

2v

V2

2v−−√

Solution :

Speed of end B is v'

where v'cos45∘=v

v'=2–√v