Physics, 13.03.2020 22:49 shelbysargent11
During a circus act one performer swings upside down hanging from the trapeze while holding another performer, also upside down by the calves. The legs (femurs) of the lower performer undergo deformation due to the upward force from the upper performer. A) If the upward force on the lower performers legs is 3 mg (three times her weight) How much do the bones in her upper legs stretch and meters? You may assume each bone is equivalent to a uniform rod 31 cm long and 1.75 cm in radius and the legs are massless, serving only to transmit the upward force on the torso. Her mass is 59 kg in Young’s modulus for tension is 1.6x10^10 N/m^2
Answers: 1
Physics, 22.06.2019 10:50
The temperature at a point (x, y) is t(x, y), measured in degrees celsius. a bug crawls so that its position after t seconds is given by x = 6 + t , y = 8 + 1 3 t, where x and y are measured in centimeters. the temperature function satisfies tx(3, 9) = 5 and ty(3, 9) = 4. how fast is the temperature rising on the bug's path after 3 seconds? (round your answer to two decimal places.)
Answers: 3
Physics, 22.06.2019 18:30
Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton
Answers: 2
Physics, 22.06.2019 20:30
You are doing a science experiment with a fahrenheit thermometer. your data must be in degrees celsius. if you measure a temperature of 125°f, what is this temperature in degrees celsius
Answers: 1
During a circus act one performer swings upside down hanging from the trapeze while holding another...
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