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Question

A man is standing on a road and observed that train is falling at angle 45o with the vertical. The man starts running on te road with constant acceleration 0.5m/s2. the starts of the motion, it appears to him that rain is stil falling at angle 45o with the vertical, with speed 22 m/s. Motion of the man is in the same vertical plane in which the rain is falling. Then which of the following statement (s) is/are TRUE:

A
It is not possible
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B
Speed of the rain relative to the ground is 2 m/s
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C
Speed of the man when he finds rain to be angle 45o with the vertical, is 4 m/s.
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D
The man has travelled a distance 16 m on the road by the time he again fnds rain to be falling at angle 45o
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Solution

The correct options are
C Speed of the man when he finds rain to be angle 45o with the vertical, is 4 m/s.
D The man has travelled a distance 16 m on the road by the time he again fnds rain to be falling at angle 45o
1987719_1259402_ans_513ca804cc164cb3891522ace2f7007c.jpg

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