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12 Aug 2009, 06:25
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an archer at the olympics fires an arrow from a point O at angle alpha to the horizontal, with velocity v=70m/s. the arrow strikes its target at a point A on the same level as he bow from which it was fired, where OA=480m. assume projectile motion, with acceleration due to gravity again taken to be 9.8metres per second per second.
a)show that there are two possible angles of elevaion at which the arrow could be fired, and find theses angles to the nearest degree.
b) find the times of flight t1 and t2 corresponding to these angles
pleeeeeeeeeeeeeeeeeez help
a)show that there are two possible angles of elevaion at which the arrow could be fired, and find theses angles to the nearest degree.
b) find the times of flight t1 and t2 corresponding to these angles
pleeeeeeeeeeeeeeeeeez help
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
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13 Aug 2009, 13:00
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marmoora
Hi Marmoora,
I have seen couple of questions from you which are core mathematics and may not be very relavant to the maths ability expectation for GMAT. I agree on the fact that its good to know to a detailed extent but on the contrary , it may scare (literally) the new entrants who are already worried about quants.
so may be these question are not more appropriate on this forum.Correct me if I am wrong
16 Aug 2009, 20:04
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alwynjoseph
i agree with you alwynjoseph, i think Marmoora is in the wrong forum..
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
