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March 3, 2015

March 3, 2015

Posted by **nick** on Sunday, October 15, 2006 at 1:39pm.

"reaches a point of 12 miles" is ambiguous.

Do you mean 12 miles in the air (elevation), perpendicular to the ground?

Or, do you mean 12 miles from the point at which the plane took off?

a rocket ascends at angle of 60 degrees

with the horizontal. after 1 minute

it is directly over a point that is a horizontal distance of 12 miles from

launch point. what is the speed of the

rocket? thanks

Cos 60 = X/12 where x is the length of the hypotenuse of the triangle. That is the distance traveled in 1 min. Post your work if you get stuck.

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