An ice skater starts with a velocity of 2.25 m/s in a 50.0 direction. after 8.33 s, she is moving 4.65 m/s in a 120 direction. what is the x-component of her acceleration?
find the magnitude and

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.