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A man is running up an inclined plane (making an angle 0 with thehorizontal) with a speed u. Rain drops falling at an angle a with the vertical appear to the man as if they are falling at an angle of 45with the horizontal. The speed of the rain drops is |
| Answer» A man is running up an inclined plane (making an angle 0 with thehorizontal) with a speed u. Rain drops falling at an angle a with the vertical appear to the man as if they are falling at an angle of 45with the horizontal. The speed of the rain drops is | |