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bearhunter [10]
3 years ago
12

The mixture you separated was mixture oof iron filings, sand, and salt. Based on your understanding of matter, is this mixture a

homogeneous mixture or heterogeneous mixture? How do you know? A. Heterogeneous mixture-the parts are not uniformly mixed. B. Homogeneous mixture-the parts are uniform mixed C. Heterogenous mixture-the parts are uniformly mixed d. Homogenous mixture-the parts are not uniformly mixed
Physics
2 answers:
scZoUnD [109]3 years ago
3 0
<span>The answer is B, because a heterogeneous mixture consists of elements that have the same appearance and composition, If sand, salt, and iron filings are combined, they would look like one uniform element rather than three separate elements.</span>
lozanna [386]3 years ago
3 0

Answer: Heterogeneous mixture

A mixture forms when different elements are put together and yet they are distinct. it means there is no change in the properties of individual components of a mixture. A mixture can be of two kinds: Homogeneous and Heterogeneous mixture. A homogeneous mixture is the one which has uniformity in its every part. For example: salt mixed in water is a homogeneous mixture. A heterogeneous mixture has visibly distinct components. The mixture was of iron fillings, sand and salt is a homogeneous mixture as the component parts are not uniformly mixed.

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how do you find work when only given the angle a sled is pulled, the mass, the coefficent of kinetic friction and distance
Sergio039 [100]

Answer:

W = F * s    

Work done equals applied force * distance traveled

Apparent weight = M g (1 - sin θ)     since some of applied force will lighten sled

μ = coefficient of kinetic friction

F cos θ = force applied to motion of sled

s = distance traveled

[μ M g (1 - sin θ)] cos θ * s = work done in moving sled

Note that F = μ M g    if applied force is in the horizontal direction

8 0
2 years ago
A tiger runs one kilometer. The tiger does 15,000 J of work and has a total power output of 500 W. How many minutes does it take
defon
Power is the amount of energy consumed per unit time. Having no direction, it is a scalar quantity. <span>As is implied by the equation for </span>power<span>, a unit of </span>power <span>is equivalent to a unit of work divided by a unit of time. The formula would be as follows:

P = W/t 

We calculate as follows:

500 W = 15000 J / t
t = 30 s</span>
3 0
3 years ago
Vertically polarized light with an intensity of 36.8 lux passes through a polarizer whose transmission axis is an angle of 51.0°
Annette [7]

Answer:

0.01774 lux

Explanation:

I_0 = Polarized light intensity = 36.8 lux

\theta = Angle

Through first filter

I_1=I_0cos^2\theta\\\Rightarrow I_1=36.8cos^2{51}\\\Rightarrow I_1=14.57\ lux

Through second filter

I_2=I_1cos^2\theta\\\Rightarrow I_2=14.57cos^2{88}\\\Rightarrow I_2=0.01774\ lux

intensity of transmitted light is 0.01774 lux

5 0
3 years ago
Why is copper wire not used in making the filament of a bulb?
Nutka1998 [239]

Hey there,

This is because it has very low resistance.

:)

5 0
3 years ago
Read 2 more answers
What happens to the temperature of the remaining liquid when some if the liquid evaporates?
Mars2501 [29]

The answer is Decreasing.

This is because the molecules in the liquid slowly escapes when it undergoes the evaporation process. Molecules are no longer compact as it was during the liquid state. The average energy of the molecules is lower, causing it to decrease in temperature.

4 0
3 years ago
Read 2 more answers
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