5) One airplane is approaching an airport from the north at 145 km/hr. A second airplane approaches from the east at 294 km/hr. Find the rate at which the distance between the planes changes when the...

Extracted text: 5) One airplane is approaching an airport from the north at 145 km/hr. A second airplane approaches from the east at 294 km/hr. Find the rate at which the distance between the planes changes when the southbound plane is 30 km away from the airport and the westbound plane is 22 km from the airport. 5)