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OpenStudy (anonymous):
a missile is launched with an initial speed of 421.1 m/sec. after 13.77 seconds, it is at its highest point. Q: what was its initial launch angle above the horizon?
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OpenStudy (anonymous):
i think i solved it by myself but not sure. is it 13.77-9.8/421.1?
OpenStudy (ujjwal):
time to reach max height is given by \[t=\frac{usin\theta}{g}\]
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