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One of the greatest olympic weightlifters of all times- Soviet athlete Vasily Alekseyev- was once able...

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Physics

One of the greatest olympic weightlifters of all times-Soviet athlete Vasily Alekseyev- was once able to life 256 kg abovehis head in the upright (fully standing) position. Assume that thisentire weight was supported equally by both femora. Compute theamount of compression (meaning change in length) of the athletesfemora due to the lifted weight, assuming a Young’s modulus for thefemur of 1.8 x 10^10 Pa, a femoral length of 50cm, and a femoraldiameter of 3.0 cm. Ignore the weight of the athlete himself inthis calculation. Assume the femur is cylindrical in shape. Hint:remember that there are two femora.


Answer & Explanation Solved by verified expert
4.3 Ratings (803 Votes)
Gravitational acceleration g 981 ms2Mass lifted by the athlete m 256 kgThere are two femora therefore    See Answer
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