2 years ago

True or false? A system must contain more than one object.

Physics

1 answer:

neonofarm [45]2 years ago

3 0

Answer:

true

Explanation:

normally -No system has ever performed well with one object.

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Volume of an block is 5 cm3. If the density of the block is 250 g/cm3, what is the mass of the block ?

wlad13 [49]

Answer:

The mass of the block is 1250g.

Explanation:

Given that the formula for density is ρ = mass/volume. Then you have to substitute the values into the formula :

$ρ = \frac{mass}{volume}$

Let density = 250,

Let volume = 5,

$250 = \frac{m}{5}$

$m = 250 \times 5$

$m = 1250g$

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