A man is walking on a horizontal road at velocity of 5 km/hr and the rain appears to be falling vertically at 5 km/hr to him. The magnitude of velocity of rain with respect to ground is
Answers
Answered by
3
Answer:
V
Rain,Person
=V
Rain
−V
Person
=−5
j
^
(vertically down)
Thus, V
Rain
−(−5
i
^
)=−5
j
^
(west means −5
i
^
)
or, V
Rain
=−5
i
^
−5
j
^
Thus, magnitude = 5
2
km/hr, direction is in 3rd quadrant, i.e. clockwise to vertical at an angle of tan
−1
(
5
5
)=45
o
to vertical
Answered by
3
Answer:
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