Marla is running clockwise around the circular track. She runs at the constant speed of 3 meters per second. She takes 46 seconds to finish one lap of track. From the starting point, it takes her 12 seconds to reach northermost point of track. Impose the coordinate system with center of track at origin, and northernmost point on positive y-axis.
(a) Provide Marla's coordinates at the starting point.
(b) Provide Marla's coordinates when she has been running for 10 seconds.
(c) Provide Marla's coordinates when she has been running for 901.3 seconds.