A constant horizontal force Fa pushes a 2.80 kg FedEx package across a frictionl
ID: 2149610 • Letter: A
Question
A constant horizontal force Fa pushes a 2.80 kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn. The figure below gives the package's x and y velocity components versus time t. (The vx axis is marked in increments of 0.5 m/s and the vy axis is marked in increments of 1.5 m/s.)
(a) What is the magnitude of Fa?
N
(b) What is its direction?
? (counterclockwise from the positive x axis)
A constant horizontal force Fa pushes a 2.80 kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn. The figure below gives the package's x and y velocity components versus time t. (The vx axis is marked in increments of 0.5 m/s and the vy axis is marked in increments of 1.5 m/s.) (a) What is the magnitude of Fa? N (b) What is its direction? ? (counterclockwise from the positive x axis)Explanation / Answer
a) 24.49N b) 59 degrees below x axis
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