2.2
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A force = (2.2 N/m2)x2 is applied to a particle initially at restin the xy plane. Find the work done by this force on the particleand the final speed of the particle as it moves along a path asfollows. The given force is the only force doing work on theparticle.(a) in a straight line from point (2.2 m, 2.2 m) to point (2.2 m,6.6 m)(b) in a straight line from point (2.2 m, 2.2 m) to point (5.6 m,5.8 m)
In Fig. 8.13, four point masses are placed as shown. The x- and y-coordinates of the center of mass are closest to:a. (2.3, 2.7)b. (2.3, 2.8)c. (2.2, 2.7)d. (2.2, 2.6)e. (2.3, 2.6)
Three point charges, A = 2.2 µC, B = 7.5 µC, and C = -3.9 µC, are located at the corners of an equilateral triangle as in the figure above. Find the magnitude and direction of the electric field at the position of the 2.2 µC charge.