- #1

cbarker1

Gold Member

MHB

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Calculate the buoyant force (in N) on a 2.00 L helium balloon.

Work:

Upward is Buoyant

Downward is weight due to gravity

$$\Sigma F=0$$

$B-mg=0$

$B=mg$

$\rho=m/V$

$m=\rho*V$

$B=\rho_{fluid}*V_{fluid}*g$

I am stuck on $m=\rho*V$. Am I missing something?

Work:

Upward is Buoyant

Downward is weight due to gravity

$$\Sigma F=0$$

$B-mg=0$

$B=mg$

$\rho=m/V$

$m=\rho*V$

$B=\rho_{fluid}*V_{fluid}*g$

I am stuck on $m=\rho*V$. Am I missing something?

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