rain is falling vertically with a speed of 4 m per second after sometime when start flowing with a speed of 3 metre per second in north to south direction. The magnitude of velocity of rain with respext to wind is - (a) 5m/s. (b) 3m/s (c) 4m/s. (d) 15/4 m/s
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I think the answer of your question is a. 5m/s
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