Question

A man running at a speed of 5 m/s, the rain drops appear to be falling at an angle of 45° from the vertical. If the rain drops are falling vertically downwards w.r.t. ground then velocity in m/s is. Anyone???

Answer 1

Explanation:

velocity of rain with respect to man = 20 along x axis + v along y axis

tan theta = 20 / v

1/ root 3 = 20 / v

v = 20 ( 3 ) ^ 1/2 along negative y axis

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Answer 2

Answer:

velocity in m/s ia  5/$\sqrt{2}$ m/s

Explanation:

Velocity is the prime indicator of the position as well as the rapidity of the object. It can be defined as the distance covered by an object in unit time. Velocity can be defined as the displacement of the object in unit time.

Velocity is a vector quantity that refers to the rate at which an object changes its position. It is a vector expression of the displacement that an object or particle undergoes with respect to time. The SI unit of velocity is meter/second.

given problem

a man at a speed =5m/sec

Rain drops are falling vertically make an angle Ф = 45 degrees

the velocity of rain drops

since the rain is falling vertically

v r sinФ = 5 m/s

sin 45 = 5/Vr

Vr=5/sin 45

    = 1/$\sqrt{2}$

Vr=5/$\sqrt{2}$

velocity in m/s ia  5/$\sqrt{2}$

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