A plane flying horizontally at an altitude of 1 kilometre and a speed of 500 kilometres per hour passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing at the instant when the plane is 2 kilometres away from the station.
A) 350 kilometres per hour
B) 462 kilometres per hour
C) 402 kilometres per hour
D) 433 kilometres per hour
E) 382 kilometres per hour

Question

Quizplus · Accepted Answer

The Answer of A plane flying horizontally at an altitude of 1 kilometre and a speed of 500 kilometres per hour passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing at the instant when the plane is 2 kilometres away from the station.
A) 350 kilometres per hour
B) 462 kilometres per hour
C) 402 kilometres per hour
D) 433 kilometres per hour
E) 382 kilometres per hour

A Plane Flying Horizontally at an Altitude of 1 Kilometre