A balloon filled with helium gas has an average density of ρb = 0.31 kg/m3. The density of the air is about ρa = 1.23 kg/m3. The volume of the balloon is Vb = 0.075 m3. The balloon is floating upward with acceleration a.   Express the weight of the balloon, W, in terms of ρb and Vb.

A balloon filled with helium gas has an average density of ρb = 0.31 kg/m3. The density of the air is about ρa = 1.23 kg/m3. The volume of the balloon is Vb = 0.075 m3. The balloon is floating upward with acceleration a. Express the acceleration a in terms of F, ρb and Vb.

A balloon filled with helium gas has an average density of ρb = 0.31 kg/m3. The density of the air is about ρa = 1.23 kg/m3. The volume of the balloon is Vb = 0.075 m3. The balloon is floating upward with acceleration a. Calculate the numerical value of Fb in N.

A balloon filled with helium gas has an average density of ρb = 0.31 kg/m3. The density of the air is about ρa = 1.23 kg/m3. The volume of the balloon is Vb = 0.075 m3. The balloon is floating upward with acceleration a.  Calculate the numerical value of F in N.

A balloon filled with helium gas has an average density of ρb = 0.31 kg/m3. The density of the air is about ρa = 1.23 kg/m3. The volume of the balloon is Vb = 0.075 m3. The balloon is floating upward with acceleration a.  Express the total force F in terms of W and Fb assuming upward is the positive direction.

A compressed gas with a total mass of 107 kg is stored in a spherical container having a radius of 0.521 m. What is the density of the compressed gas? O 181 kg/m3 O 161 kg/m3 O 110 kg/m3 O 134 kg/m3 Submit Request Answer

Balloons are usually filled with helium gas because the density of helium gas under the same conditions is one-seventh the density of air. The buoyant force given by the relation "Fb = ρ(air).g.V(balloon)" pushes the balloon upwards. People with a mass of 70 kg get on a spherical balloon with a diameter of 10 m. The number of people getting into the cabin of the balloon is 3. In this case, calculate the acceleration of the balloon during its take-off. Take the density of the air 1.16 kg / m3 and neglect the weight of the balloon and the cabin.

Problem 14:   A toy duck is floating on the water. The average density of the duck is ρd = 680 kg/m3, while the density of water is ρ = 1.0 × 103 kg/m3. The volume of the duck is Vd = 0.00012 m3.  Part (a)  Enter an expression for the submerged volume of the duck, Vw, in terms of ρ, ρd and Vd.   Part (b)  Calculate the submerged volume of the duck, in cubic meters.

A balloon filled with helium gas has an average density of ρb = 0.39 kg/m3. The density of the air is ρa = 1.23 kg/m3. The volume of the balloon is Vb = 0.045 m3. The balloon floats upward with acceleration a. a.) Express the acceleration of the balloon a in terms of the variables given in the problem statement, assuming upwards is the positive direction.  b.) Calculate the numerical value of a in m/s2.

A spherical shell has an outside radius of 2.60 cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.70 g/cm3. The space inside the shell is filled with a liquid having a density of 1.23 g/cm3. (a) Find the mass m of the sphere, including its contents, as a function of a. (b) For what value of the variable a does m have its maximum possible value? (c) What is this maximum mass? (d) Explain whether the value from part (c) agrees with the result of a direct calculation of the mass of a solid sphere of uniform density made of the same material as the shell. (e) What If? Would the answer to part (a) change if the inner wall were not concentric with the outer wall?