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Point A moves uniformly with velocity v so that the vector v is continually aimed at point B which in its turn moves recti- linearly and uniformly with velocity u

Point A moves uniformly with velocity v so that the vector v
is continually aimed at point B which in its turn moves recti-
linearly and uniformly with velocity u < v. At the initial moment of time v is perpendicular to u and the points are separated by a distance l . How soon will the points converge?

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
9 years ago

The separation between A and B reduces uniformly at dr/dt=lv-ul

therefore, answer=l/(v-u)

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