Sara Draz
This page lists questions and answers that were posted by visitors named Sara Draz.
Questions
The following questions were asked by visitors named Sara Draz.
Answers
The following answers were posted by visitors named Sara Draz.
The net force on balloon = the buoyant force (acts upward) minus the weight (downward) The weight of helium filled balloon is: volume of a sphere of radius = 0.5 m = 4/3πR³ = (4/3)(3.14)(0.5)³ = 0.523 m³ density of helium (at 0° and 1 atm) = 0.179 kg/m³ m...
9 years ago
C, cz bolt a & b are the same!!
9 years ago