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Unformatted text preview: C. cos1 (kx/mg) D. cos (kx/mg) The spring has stretched an amount x. What is the acceleration a? (Assume the surface on which the mass m slides is frictionless.) k x a m a = ? A. a=kx/m B. a=k x m C. a=kx D. Insufficient information Springs in our Bodies Fx relation for a gastrocnemius tendon: Force (N) Extension (mm) Fx relation for a foot arch: Force (N) Displacement (mm) Otolith Organ flexible tissue containing stretchsensitive sensory cells (acts like spring) otolith (dense CaCO 3 ) fluid (provides damping) • All vertebrates have at least 2 or 3 in each ear • Measures orientation and acceleration. a flexible tissue otolith fluid Detecting orientation: Detecting acceleration:...
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 '07
 LIEPE, M
 Physics, Resistance, Acceleration, Force, Friction, Mass, a. b. c., Springs

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