1. A block is acted on by a force that varies as (2.0 x 104N/m)x for 0 < x < 0.21m and then remains constant at 4200N for larger x. How much work does the force do on the block in moving it(a) from x = 0 to x = 0.30m, or (b) from x = 0.10m to x = 0.40m? Explain and

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Chapter10: Work, Energy And Machines
Section10.1: Work And Energy
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1. A block is acted on by a force that varies as (2.0 x 104N/m)x for 0 < x < 0.21m and then remains constant at 4200N for larger x. How much work does the force do on the block in moving it(a) from x = 0 to x = 0.30m, or (b) from x = 0.10m to x = 0.40m? Explain and draw.

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