Two particles are projected from two points 4m apart on the horizontal ground, simultaneously with speed `20ms^(-1)` above `60^(@)` and `15ms^(-1)` ab
Two particles are projected from two points 4m apart on the horizontal ground, simultaneously with speed `20ms^(-1)` above `60^(@)` and `15ms^(-1)` above `30^(@)` from horizontal towards each other. Find the shortest distance between them during the flight.
A. 3.9m
B. 2.8m
C. 1.7m
D. 1.5m
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