How much more pressure does a 250 lb person exert on the ground than a 120...
How much more pressure does a 250 lb person exert on the ground than a 120 lb person if they are both standing on one foot with area 16 in2?
- Report your answer with two significant figures.
Homework Answers
=8.12 lb/in^2
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How much more pressure does a 250 lb person exert on the ground
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If a person who weighs 722.0 N were standing on one foot, and the resulting pressure on the ground were 6.4 psi (pounds per square inch), what is the surface area of the foot on which they're standing? Give your answer in cm Hint: In order to make the unit conversions, you will have to use the fact that: 1N 0.2248 lb and 1 in 2.540 cm
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Professor Goetz took a heavy marine 100 foot, 0.75 lb per foot rope and through it through his office window. One end of the rope touches the ground. Professor Goetz missed his lunch and can only exert 300kcal (the equivalent of a healthy sandwich). He realized he does not know if he has enough energy to lift the rope back into his office. a) How much energy in kcalories is needed to lift the rope half way from the ground....
Both parts please.
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