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3 years ago

Milk is an example of a(n) solution homogeneous mixture colloid compound

Physics

1 answer:

soldier1979 [14.2K]3 years ago

8 0

Answer:

it is C. Colloid

Explanation:

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A car is travelling at 70 mph. It travels for half an hour. How far has it gone?

rusak2 [61]

Answer:

35 miles

Explanation:

Since half of 70 is 35.....

6 0

2 years ago

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How do skiers slide across the ice?

Eduardwww [97]

The ice and how the blades are made

7 0

2 years ago

a sphere of diameter 6•0cm is moulded into a thin uniform wire of diameter 0•2mm.calculate the length of the wire in metres

Scilla [17]

The length of the wire is 36 m.

<u>Explanation:</u>

Given, Diameter of sphere = 6 cm

We know that, radius can be found by taking the half in the diameter value. So,

$\text { sphere radius, } R=\frac{D}{2}=\frac{6}{2}=3 \mathrm{cm}=3 \times 10^{-2} \mathrm{m}$

Similarly,

$\text { wire radius, } r=\frac{0.2}{2}=0.1 \mathrm{mm}=1 \times 10^{-3} \mathrm{m}$

We know the below formulas,

$\text {volume of sphere}=\frac{4}{3} \times \pi \times R^{3}$

$\text {volume of wire}=\pi \times r^{2} \times l$

When equating both the equations, we can find length of wire as below, where $\pi=\frac{22}{7}$

$\frac{4}{3} \times \pi \times R^{3}=\pi \times r^{2} \times l$

$\frac{4}{3} \times \frac{22}{7} \times\left(3 \times 10^{-2}\right)^{3}=\frac{22}{7} \times\left(1 \times 10^{-3}\right)^{2} \times l$

The $\pi$ value gets cancelled as common on both sides, we get

$\frac{4}{3} \times 27 \times 10^{-6}=10^{-6} \times l$

The $10^{-6}$ value gets cancelled as common on both sides, we get

$l=4 \times 9=36 m$

7 0

2 years ago

The study and analysis of light according to its component wavelengths is called

BARSIC [14]

ANSWER:

The study and analysis of light according to its component wavelengths is called spectroscopy.

EXPLANATION:

Spectroscopy is the branch of science that is concerned with the investigation and measurement of spectrum produced when matter interacts with or emits electromagnetic radiation.It helps us to identify atoms and molecules in the object.Spectroscopy is used to find out Dopplers effect (the red shift and blue shift),which tells how fast the object is comming towards earth or moving away from the earth.

4 0

3 years ago

A reversible reaction is in

natita [175]

Answer:

Equilibrium

Explanation:

Equilibrium is a special situation or stage of a reaction
At equilibrium the concentrations of reactants and products are equal
The rate of change of forward and backward reaction is also same

6 0

1 year ago