An adult human femur weighs about 225 g and has a volume of 118 cm. calculate the density of this bone

Hi!

The answer would be 1.91 g/cm^(3)

In this case, we are assuming the density of the object in concern is uniform throughout, and to calculate this we will use the formula of density that links mass and volume. Density is basically a value that denotes the amount of matter in an object. If two objects have the same value, but different masses, the difference will be seen in their densities. The object having a higher mass with the same volume will be denser than the object having lesser mass with the same volume.

The formula of density is:

Density = Mass / Volume

The mass is given: 225g , and the volume of the bone: 118 cm^(3)

Note: volume has three dimensions, and hence is measured in cubic centimeter (in our case), not in centimeter.

Putting the given values in the equation, we get:

Density = 225/118

Density = 1.91g/ cm^(3)

Hope this helps!

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its first and third is your answer i did the qustion the fourth isnt right