velocity of a plane 345 km p/h 35degrees west of north a wind blows north a 100 km p/h what is the resulting velocity

Question

velocity of a plane 345 km p/h 35degrees west of north a wind blows north a 100 km p/h what is the resulting velocity

Answer 1

Hi Kahlil

 

A = 345 km/h

B = 100 km/hr

Angle between the two = 90 +35 = 125 degree

 

R ² = A ² + B ² - 2 A*B* Cos ( angle between the two)

Find R