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## anonymous 4 years ago 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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1. anonymous

i think i solved it by myself but not sure. is it 13.77-9.8/421.1?

2. ujjwal

time to reach max height is given by $t=\frac{usin\theta}{g}$

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