A (55-mathrm{kg}) acrobat must jump high and land on his brother's shoulders. To accomplish this, he leaps
Question:
A \(55-\mathrm{kg}\) acrobat must jump high and land on his brother's shoulders. To accomplish this, he leaps from a crouched position to a height where his center of mass is \(1.20 \mathrm{~m}\) above the ground. His center of mass is \(400 \mathrm{~mm}\) above the ground in the crouch and \(900 \mathrm{~mm}\) above the ground when his feet leave the ground.
(a) What is the average force exerted on him by the ground during the jump?
(b) What is his maximum speed?
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Step by Step Answer:
To solve this problem we can use the principle of conservation of mechanical energy The total mechanical energy of the acrobat at the bottom of his ju...View the full answer
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