State of complete physical, mental and social well-being not just being disease free defines what?

Could someone . i have tried to solve myself but my calculation is off

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

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.