Answer:
[tex]v_y=71.25\ m/s[/tex]
Explanation:
Given that,
Speed of an airplane, v = 750 km/hr = 208.33 m/s
An airplane is flying 20.0 degrees north of east, [tex]\theta=20^{\circ}[/tex]
To find,
Velocity in north direction.
Solution,
Let [tex]v_y[/tex] is the speed of the airplane to the north. The y component of any motion is given by :
[tex]v_y=v\ sin\theta[/tex]
[tex]v_y=208.33\ m/s\ sin(20)[/tex]
[tex]v_y=71.25\ m/s[/tex]
So, the airplane is moving with a speed of 71.25 m/s to the north direction.