Asked by Shannon


The body can release 20,000 J of energy for each liter of oxygen consumed. How much oxygen must be consumed by the body to release the energy present in a typical 2000 Cal diet?
Answered by biruk
A 90 kg fullback running east with a speed of 5.00 m/s is tackled by a 95 kg opponent running north with a speed of 3.00 m/s. If the collision is perfectly inelastic, calculate the speed and direction of the players just after the tackle. And determine the energy lost as a result of the collision. Account for the missing energy.
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