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Physics 19 Online
OpenStudy (anonymous):

Two horizontal forces F1 and F2 act on a 4 kg disk that slides over frictionless ice, on which an xy coordinate system is laid out. F1 is in the positive direction of x axis and has magnitude = 7 N. F2 has magnitude 9 N. The image below gives velocity as a function of time along x axis. what is angle between F1 and F2?

OpenStudy (anonymous):

|dw:1334070582996:dw|

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