A man is going due east with a velocity of 8km/h. Rain falls vertically downwards with a speed of 8root3 km/h. What is the apparent speed of the rain? Calculate the angle at which he should hold his umbrella so as to save himself from the rain.

A man is going due east with a velocity of 8km/h. Rain falls verticall

1.	A man is going due east with a velocity of 8km/h. Rain falls vertically downwards with a speed of 8root3 km/h. What is the apparent speed of the rain? Calculate the angle at which he should hold his umbrella so as to save himself from the rain.
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A man is going due east with a velocity of 8km/h. Rain falls vertically downwards with a speed of 8root3 km/h. What is the apparent speed of the rain? Calculate the angle at which he should hold his umbrella so as to save himself from the rain.

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