Calculate the volume (in m^3) of helium needed in a hot air balloon to lift at least 100 kg of load. Density of He = 0.179 kg/m^3, density of air = 1.29 kg/m^3 (Ans: 90) To solve the problem, which of the following equation/s can be use (check as many that best applies

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Chapter30: Atomic Physics
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Calculate the volume (in m^3) of helium needed in a hot air balloon to lift at least 100 kg of load. Density of He = 0.179 kg/m^3, density of air = 1.29 kg/m^3 (Ans: 90)

To solve the problem, which of the following equation/s can be use (check as many that best applies)

 

 

As-S
dQ
F=ma
AL= xLoAT
AV1= A2V2
dU = dQ – dW
AU = Q- W
or
P= pgh
Tc
e = 1-
Th
F
P=
A
p = m/V
E=F/q
Transcribed Image Text:As-S dQ F=ma AL= xLoAT AV1= A2V2 dU = dQ – dW AU = Q- W or P= pgh Tc e = 1- Th F P= A p = m/V E=F/q
W =
F2
A1
A2
1
P2 +pgh2 +
P1+
9 enc
þEda =
%3D
€0
Fb=P fluidgV submerged
%3D
1 ]9142|
4 TEO
Q = MCAT
Q= mL
O EF = Fp-w1-W2 =0
O EF = Fp+w1-W2 =0
Transcribed Image Text:W = F2 A1 A2 1 P2 +pgh2 + P1+ 9 enc þEda = %3D €0 Fb=P fluidgV submerged %3D 1 ]9142| 4 TEO Q = MCAT Q= mL O EF = Fp-w1-W2 =0 O EF = Fp+w1-W2 =0
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