what is the up thrust experienced by a cube of edge -length 5cm made of iron when competely immersed in ethanol of density 0.8g/cm3
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vol of substance = (5)^3= 125cm^3
density of fluid = 0.8g/cm^3
let acc.due to gravity = 10 m/s^2
upthrust = bouyant force
bouyant force =vol.of substance immersed in fluid * density of fluid * acc. due to gravity
bouyant force = 125cm^3*0.8g/cm^3*10m/s^2
force=125*8g m/s^2
=1000g m/s^2
=1 kg m/s^2
=1 N
density of fluid = 0.8g/cm^3
let acc.due to gravity = 10 m/s^2
upthrust = bouyant force
bouyant force =vol.of substance immersed in fluid * density of fluid * acc. due to gravity
bouyant force = 125cm^3*0.8g/cm^3*10m/s^2
force=125*8g m/s^2
=1000g m/s^2
=1 kg m/s^2
=1 N
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