Physics, 21.11.2019 00:31 fixianstewart
High-impact activities such as jogging can cause considerable damage to the cartilage at the knee joints. peak loads on each knee can be eight times body weight during jogging. the bones at the knee are separated by cartilage called the medial and lateral meniscus. although it varies considerably, the force at impact acts over approximately 11.0cm^2 of this cartilage. human cartilage has a young's modulus of about 24.0mpa (although that also varies). a) by what percent does the peak load impact of jogging compress the knee cartilage of a 76.0kg person? b)what would be the percentage for a lower-impact activity, such as power walking, for which the peak load is about four times body weight?
Answers: 3
Physics, 22.06.2019 06:30
The mini-refrigerator fire was most likely caused by what type of wiring?
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Physics, 22.06.2019 17:30
The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element
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Physics, 22.06.2019 21:00
On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?
Answers: 3
High-impact activities such as jogging can cause considerable damage to the cartilage at the knee jo...
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