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07-13-2008, 09:39 PM
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| Grade 11 physics help please!!?
A plane with an airspeed of 255km/h heads on a bearing of [E30N]. A 95km/h wind is blowing in the direction [S20W]. Determine the plane's velocity relative to the ground. I keep getting 192km/h as my answer but it says the actual answer is 164km/h [11Nof E]. Help? Also, a cyclist travelling at a constant speed of 12 m/s throws a ball straight up into the air and catches it 36m further along the road. With what speed did the cyclist throw the ball? (up is positive) how should i approach this question      |
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