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From a highest point "O " two bodies are thrown opposites direction horizontally with velocities 3m/s and 4 m/s .find the distance between them after some time when their velocity vector become mutually perpendicular

From a highest point "O " two bodies are thrown opposites direction horizontally with velocities 3m/s and 4 m/s .find the distance between them after some time when their velocity vector become mutually perpendicular

Grade:12th pass

1 Answers

Arun
25763 Points
3 years ago
 
 
v1=3i – gtj
v2= – 4i – gtj
 
v1.v2=0 for 90 deg
 – 12+g^2t^2=0
gt=root12
t=root(12) /10
distance = 7 *root(12)/10

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