The rain is coming at an angle of 37 degree what should be the speed of the man for the which rain appears to him at an angle of 45 degree.
Answers
Answer:
From (1) & (2) angle between V
r
& 3km/hr
figure (1) is 45
0
.
∴ From figure (1)
V
r
cos45=3km/hr
⇒V
r
=3
2
km/hr
tanθ=
V
r
3
=
3
2
3
⇒θ=tan
−1
(
2
1
).
solution
December 27, 2019
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