Find the speed of rain of the rain relative to ground.

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To a man walking due east at the rate of 2 km/hr with respect rain appears to fall vertically. When he increases his speed to 4km/hr in the same direction of his motion, rain appears to meet him at an angle of 45 degree with horizontal, Find the speed of rain of the rain relative to ground.
27
Oct
To a man walking due east at the rate of 2 km/hr with respect rain appears to fall vertically. When he increases his speed to 4km/hr in the same direction of his motion, rain appears to meet him at an angle of 45 degree with horizontal, Find the speed of rain of the rain relative [...]
Posted in: Chapter 4 - Motion in Plane , MTG NEET Physics , Part 1 ,
Tags: Find the speed of rain of the rain relative to ground. , rain appears to meet him at an angle of 45 degree with horizontal , To a man walking due east at the rate of 2 km/hr with respect rain appears to fall vertically. When he increases his speed to 4km/hr in the same direction of his motion ,