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# Volume and Density of a Cylinder

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1. A solid uranium cylinder weighs 91.53 N in air and 86.63 N when submerged in water.

a. The volume of the cylinder is ----------mt^3
b. The density of uranium is---------kg/mt^3

2. On each heartbeat,about 70 cm^3 of blood is forced from a human heart at an average pressure of approx 105 mm Hg.

a. If the heart beats 70 times per minute, the average power output of the heart is ---------- watts.

https://brainmass.com/physics/power/volume-density-cylinder-119816

#### Solution Preview

1. A solid uranium cylinder weighs 91.53 N in air and 86.63 N when submerged in water.

a. The volume of the cylinder is ----------mt^3

b. The density of uranium is---------kg/mt^3

Solution: We have the following formula for measuring relative density,

where, W is the weight of uranium in air and F is that when submerged in water.
G = 91.53/(91.53-86.63)
= 91.53 / 4.9
= 18.6796
So we have the relative ...

#### Solution Summary

Word document attached shows how to calculate the volue and density of a uranium cylinder and the output of a human heart at 70 bpm.

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