A dated box of dates, of mass 5.8 kg, is sent sliding up a frictionless ramp at an angle of 0 to the horizontal. The figure here gives, as a function of time t, the component v, of the box's velocity along an x axis that extends directly up the ramp. What is the magnitude of the normal force on the box from the ramp? Vx (m/s) 4 t(s) -2 Number i Unit
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