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OpenStudy (anonymous):
A ground-ground projectile launched from O with a speed u has to clear an obstacle PQ on its path which is 30m height and a horizontal distance of 40 m . Find the min u required
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OpenStudy (anonymous):
|dw:1343667651698:dw|
OpenStudy (anonymous):
tanx = 30/40 tanx=3/4 is that correct!
OpenStudy (experimentx):
|dw:1343667919008:dw|
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