Posted by **Alex** on Monday, November 8, 2010 at 1:34pm.

a police helicopter is flying at 200 km/hr at a constant altitude of 1 km above a straight road. The pilot uses radar to determine that an oncoming car is at a distance of exactly 2 km from the helicopter, and that this distance is decreasing at 250 km/hr. Find the speed of the car.

## Answer This Question

## Related Questions

- Physics - A speeding motorcyclist is traveling at a constant speed of 31.1 m/s ...
- calculus - A police cruiser, approaching a right –angled intersection from the ...
- Physics - A helicopter is flying in a straight line over a level field at a ...
- physics - A helicopter is flying in a straight line over a level field at a ...
- Physics - A helicopter is flying in a straight line over a level field at a ...
- Calculus - A plane flying with a constant speed of 4 km/min passes over a ground...
- Calculus - A plane flying with a constant speed of 24 km/min passes over a ...
- calculus - A plane flying with a constant speed of 23 km/min passes over a ...
- Calculus - Two points P and Q are connected by a straight road of length d. At ...
- calculus - A plane flying horizontally at an altitude of 1 mi and a speed of 500...

More Related Questions