Physics, asked by amatullaislam710, 4 months ago

if velocity of wind is 2m/s and velocity man is 5m/s and if the rain is falling with 5m/s velocity, then at what angle with the vertical should the umbrella be held?​

Answers

Answered by jassjathol
2

Answer:

Given,

speed of rain is 35m/s

Speed of wind is 12m/s

The resultant velocity of raindrops will be the vector sum of the raindrop speed (vertical) and the horizontal wind speed.

The magnitude of the resultant velocity of the raindrops is:

(12

2

+35

2

)

=37m/sec

the direction of the resultant velocity vector with the vertical

=tan

−1

(

35

12

)=18.92

0

.

The umbrella should be pointed in the direction opposite to the resultant velocity of the raindrops. So it should be in the direction 18.92

0

. the inclination to the vertical opposite to the direction of wind., towards East.

Explanation:

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