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Rain is falling vertically with a speed of 4 m $s^{- 1}$ . Wind starts blowing after sometime with a speed of 3 m $s^{- 1}$ in east to west direction. In which direction should a boy waiting at a bus stop hold his umbrella

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37° with the vertical towards west

53° with the vertical towards east

37° with the vertical towards east

53° with the vertical towards west

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detailed solution

Correct option is C

VRM⇀=-4k⏞-3i⏞ (VRM⇀=VR⇀+VW⇀)taking east alongi⏞ north along j⏞and vertically up along k⏞ tan θ =34=370 with the vertical towards east

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Rain is falling vertically with a speed of 4 ms-1. Wind starts blowing after sometime with a speed of 3 ms-1 in east to west direction. In which direction should a boy waiting at a bus stop hold his umbrella

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Rain is falling vertically with a speed of 4 m $s^{- 1}$ . Wind starts blowing after sometime with a speed of 3 m $s^{- 1}$ in east to west direction. In which direction should a boy waiting at a bus stop hold his umbrella