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A 10kg mass moves along x-axis. Its acceleration as a function of its position is shown in the figure. What is the total work done on the mass by the force as the mass moves from x=0 to x=8 cm

(a)    8×10-2  joules

(b)   16×10-2  joules

(c)    4 ×10-4   joules

(d)     1.6 ×10-3   joules

Answer: A

(21)

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