A man is walking due east at the rate of 2km/h the rain appears to him vertically downwards at the rate of 2 km/h the actual velocity and direction of rainfall with the vertical respectively
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46
velocity of man = 2 km/ h or 2 i ^
velocity of rain W. r. t man = 2 km / h or 2 J ^
we know
Vrm=Vr -Vm
2j. = vr -2 i
Vr= √ 2² +2²
(Vr= 2 √2. ) required ans
now direction
let β is the angle which velocity of rain makes with vertical
tanβ = Vm/Vrm
= 2 /2=1
β = 45°
hope it works
velocity of rain W. r. t man = 2 km / h or 2 J ^
we know
Vrm=Vr -Vm
2j. = vr -2 i
Vr= √ 2² +2²
(Vr= 2 √2. ) required ans
now direction
let β is the angle which velocity of rain makes with vertical
tanβ = Vm/Vrm
= 2 /2=1
β = 45°
hope it works
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4
please make it brainlist answer
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