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23 Nov 2019
a) Supposethat a 90 kg person walking on crutches supports all hisweight onthe two crutch tips, each of which is circular with adiameter of1cm. What gauge pressure, in pascals, is exerted on thefloor?Express this gauge pressure in terms of the height of anequivalentcolumn of mercury. b) A girl of volume 0.20 m3 floats ina lake with97% of her body beneath the water. What is her(average)density?
a) Supposethat a 90 kg person walking on crutches supports all hisweight onthe two crutch tips, each of which is circular with adiameter of1cm. What gauge pressure, in pascals, is exerted on thefloor?Express this gauge pressure in terms of the height of anequivalentcolumn of mercury. b) A girl of volume 0.20 m3 floats ina lake with97% of her body beneath the water. What is her(average)density?
Casey DurganLv2
22 Aug 2019
