Posted by **Mary** on Thursday, September 29, 2011 at 3:52pm.

An airplane is flying in still air with an airspeed of 325 miles per hour. If it is climbing at an angle of 20°, find the rate at which it is gaining altitude.

- Calculus -
**Anonymous**, Thursday, September 29, 2011 at 4:50pm
You're going to use sin = 0pposite / Hypotenuse.

In this case the hypotenuse is 325 mph, the opposite side is the gain in altitude, 20 degrees is your angle.

Therefore sin 20 = Opposite / 325 mph

sin 20 * 325 = Opposite

111.15 mph = opposite

The airplane is climbing at a rate of 111.15 mph

## Answer this Question

## Related Questions

- Calculus - How would you solve this problem: An airplane is flying in still air ...
- calculus - an airplane is flying at an altitude of 6.7 miles towards a point ...
- calculus - An airplane flying west at 300 miles per hour goes over the control ...
- calculus - A plane is flying at 240mph and is climbing at 22 degrees. Find the ...
- Calculus - An airplane flies at an altitude of 5 miles toward a point directly ...
- algebra - making linear equation from word problem An airspeed indicator on ...
- calculus - An airplane flies at an altitude of 5mies toward a point directly ...
- PreCalc - Vectors - An airplane is flying with an airspeed of 660 Kilometers per...
- geometry - For problems 7 and 8, find the magnitude and direction angle of the ...
- trig - an airplane has an airspeed of 430 miles per hour at a bearing of 135 ...