Physics, 30.09.2019 18:50 fchadwayne9185
Jim is performing a magic show where he has to lie on the plank fixed with 1000 nails. he weighs 650n. each nail has an area of 0.1 m2. the pressure requires to penetrate through a person skin is about 700kpa.
a) calculate if the meddles will pierce through him when he lies in the nails. b) calculate if the needles will protect through him if there are only 800 needles in the plank
Answers: 1
Physics, 21.06.2019 13:30, 214578
An air bubble of volume 20 cm³ is at the bottom of a lake 40 m deep, where the temperature is 4.0°c. the bubble rises to the surface, which is at a temperature of 20°c. take the temperature of the bubble’s air to be the same as that of the surrounding water. just as the bubble reaches the surface, what is its volume?
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Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon
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Jim is performing a magic show where he has to lie on the plank fixed with 1000 nails. he weighs 650...
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