A car’s initial velocity is 50.0 km/h in the direction 60.0°north of east, and its final velocity is 70.0 km/h in the direction40.0° south of east. If the time period for this journey is 30.0minutes, what is the magnitude of the car’s average acceleration?Group of answer choices
186 km/h/h
240 km/h/h
92.8 km/h/h
3.94 km/h/h