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                                    Two boats A and B are moving along perpendicular paths in a still lake at night. At t=0, the boats are 300 m apart. If boat A moves with a speed of 3 m/s and boat B moves with a speed of 4 m/s in a direction such that they can collide after sometime, then the boats will collide after | 
                            
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Answer»  Two boats A and B are moving along perpendicular paths in a still lake at night. At t=0, the boats are 300 m apart. If boat A moves with a speed of 3 m/s and boat B moves with a speed of 4 m/s in a direction such that they can collide after sometime, then the boats will collide after  | 
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