A ship moves eastward along the equator with velocity

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

v_0=30\,\text{km h}^{-1}

. A south-eastern wind blows at an angle

\phi=60^\circ

to the equator with velocity

v=15\,\text{km h}^{-1}

. Find the wind velocity

v'

relative to the ship and the angle

\phi'

between the equator and the wind direction in the reference frame fixed to the ship.