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QUESTION

A constant horizontal force Fa pushes a 3.10 kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn.

A constant horizontal force Fa pushes a 3.10 kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn. Figure 5-37 gives the package's x and y velocity components versus time t. (The vx axis is marked in increments of 1.25 m/s and the vy axis is marked in increments of 1 m/s.) Fig. 5-37(a) What is the magnitude of Fa?1 N(b) What is its direction?2° (counterclockwise from the positive x axis)

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