Question1the elastic energy stored in your tendons can

Reference no: EM13350576

Question1

The elastic energy stored in your tendons can contribute up to 35 of your energy needs when running. Sports scientists have studied the change in length of knee extensor tendon in sprinters and nonathletes. They discover (on average) that the sprinters' tendons stretch 41, while nonathletes' stretch only 30.

The spring constant for tendon is the same for both groups, 32. What is the dissimilarity in maximum stored energy between sprinters and nonathletes?

Question2

A 394 kg mass is brought close to a second mass of 138 kg on a frictional surface with coefficient of friction 0.6. At what distance will the second mass be- gin to slide toward the first mass? The acceleration of gravity is 9.8 m/s2 and value of the universal gravitational constant is 6.67259 10 11 N m2/kg2. Reply in units of mm.

Reference no: EM13350576

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