What net force is necessary to give a 2 kg mass that is initially at rest an acceleration of 5 m/s^2? (2 points)

0.4 n

3 n

7 n

10 n

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.