The bacterium Escherichia coli propels itself with long, thin structures called flagella. When its flagella exert a force of 1.60 x 10-13 N, the bacterium swims through the water at a speed of 30.0 µm/s. Find the speed of the bacterium in water when the force exerted by its flagella is 2.30 x 10-13 N. speed: µm/s * TOOLS x10
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This problem can be solved using the fact that bacterium propulsion takes place in over damped dynamics, where inertial forces are negligible in comparison to viscous forces.
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