What is the density of the baseball?
2 answers:
The density of the baseball is
Explanation:
The density of an object is given by the equation
where
m is the mass of the object
V is its volume
For the baseball in this problem, we have:
m = 350 g is its mass
is the volume
Substituting into the equation, we find the density:
Therefore, the ball's density is outside the acceptable range.
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Answer:
Explanation:
We have here values from SI and English Units. I will convert the units to English Units.
We hace for the power P,
we have other values such and
(specific weight of the water), and 0.85 for \eta
We need to figure the flow rate of the water (V) out, that is,
Where is the turbine efficiency, at which is,
Replacing,
With this value (the target of this question) we can also calculate the mass flow rate of the waters,
through the density and the flow rate,
converting the slugs to lbm, 1slug = 32.174lbm, we have that the mass flow rate of the water is,