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iamsecond235p318rq
29.05.2021 •
Physics
A typical muscle fiber is 2.0 cm long and has a cross-section area of 3.1×10−9m2. When the muscle fiber is stimulated, it pulls with a force of 1.3 mN. What is the work done by the muscle fiber as it contracts to a length of 1.6 cm?
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