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| 1. |
To a person travelling due east with a velocity V, the wind appears to blow from an angle theta North of east. When he starts travelling due North with a velocity 2V, the wind appears to blow from an Angle betaNorth east find the time direction of wind. |
| Answer» Solution :` alpha ` westofsouthandtan ` alpha=(1 + 2cottheta)/( 2 + tan THETA)` | |