A man moving with a velocity of 5m//s on...

A man moving with a velocity of `5m//s` on a horizontal road observes that raindrops fall at an angle of `45^(@)` with the vertical. When he moves with a velocity of `16m//s` along an inclined plane, which is inclined at `30^(@)` with the horizontal , he observes raindrops falling vertically downward as shown in the figure. Find the actual velocity of the raindrops.

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The correct Answer is:

`8 sqrt ( 3i) - ( 8 sqrt( 3) - 5 ) hat(j)`

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