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How much work must be done on a 10kg bicycle to increase its speed from 2 M's to 3 M's?
Wiki User
∙ 12y ago
Work done = increase in kinetic energy
ie 1/2 * 10 * (3+2)(3-2) [recall a2 - b2 = (a+b)(a-b)]
Hence work done = 25 joule.
Wiki User
∙ 12y ago
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