An object has a mass of 48 g and it has a height of 5 cm a width of 2 cm and a length of 5 cm. what is the density of the object?

Explanation:

Density is defined as the relation between the mass of an object and its volume :

(1)

On the other hand, the volume of the object (assuming it has a rectangular shape) is:

(2)

Where:

Then: (3)

Substituting (3) in (1) and taking into account :

(4)

(5)

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr

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