Two horizontal forces F1 and F2 act on a 4.0 kg disk that slides over frictionless ice, on which an xy coordinate system is laid out. Force F1 is in the positive direction of the x axis and has a magnitude of 7.0 N. Force F2 has a magnitude of 9.0N. Figure gives the x component vx of the velocity of the disk as a function of time / during the sliding. What is the angle between the constant directions of forces F1 andF2?

Transcribed Image Text:

v, (m/s) tr(s) -2