A student drove to the university from her home and noted that the odometer on her car increased by 14.0 km. The trip took 20.0 min.(a)What was her average speed in km/h? km/h(b)If the straight-line distance from her home to the university is 10.3 km in a direction 25.0 south of east, what was her average velocity in km/h? km/h(c)If she returned home by the same path 7 h 30 min after she left, what were her average speed and velocity in km/h for the entire trip?average speed km/haverage velocity km/h