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2 years ago

What is one property of a suspension that is different from that of a solution or a colloid?

Physics

1 answer:

Step2247 [10]2 years ago

3 0

Answer:

Explanation:

If left to rest it will separate.

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A weight lifter does 700J of work on a weight that he lifts in 3.1s. What is the power with

IgorLugansk [536]

Power = Work done/Time taken

So, keeping this in mind,we can solve it as follows:

= 700/3.1

= 7000/31

= 225.80 W

8 0

2 years ago

The pathologic changes that occur in the development of coronary atherosclerotic lesions include call damage resulting from whic

ale4655 [162]

Answer:

3 effect of oxidized lipids

4 an inflammatory response

5 the formation of plaques

Explanation:

Destruction of cells due to oxidation of lipids whereby free radicals steal electrons in cell membrane.

This occurs when tissues get injured by trauma, bacteria or toxins, thereby causing damages cells to release chemicals like histamine, brakykinn that cause vessels to leak fluid into the injured tissues causing swelling.

-plaques are regions of destroyed cells which are visible structures formed inside a cell culture.

4 0

2 years ago

The photograph shows matter going through a physical change. Which characteristic of the matter changes?

Lapatulllka [165]

Answer:

Possibly shape.

Explanation:

Because it is ripped in half. As you guys and the questioner can see that there is a wiggly strip down the middle. That also cause of a shape change.

I really hope my answer is right ^_^

7 0

2 years ago

Read 2 more answers

Hoover Dam on the Colorado River is the highest dam in the United States at 221m, with a power output of 680 MW. The dam generat

DiKsa [7]

Answer:

The power in this flow is $9.56\times10^{8}\ W$

Explanation:

Given that,

Distance = 221 m

Power output = 680 MW

Height =150 m

Average flow rate = 650 m³/s

Suppose we need to calculate the power in this flow in watt

We need to calculate the pressure

Using formula of pressure

$Pressure=\rho g h$

Where, $\rho$ = density

h = height

g = acceleration due to gravity

Put the value into the formula

$Pressure=1000\times9.8\times150$

$Pressure=1470000\ Nm^2$

We need to calculate the power

Using formula of power

$P=Pressure\times flow\ rate$

Put the value into the formula

$P=1470000\times650$

$P=9.56\times10^{8}\ W$

Hence, The power in this flow is $9.56\times10^{8}\ W$

5 0

2 years ago

In the child's game of tetherball, a rope attached to the top of a tall pole is tied to a ball. Players hit the ball in opposite

Eddi Din [679]

Answer:

option C

Explanation:

the ball is moving circular around the pole

Angular momentum of the system is constant

J = I ω

now,

$\omega\ \alpha\ \dfrac{1}{I}$

$\omega\ \alpha\ \dfrac{1}{mr^2}$

$\omega\ \alpha\ \dfrac{1}{r^2}$

the rope radius is decreasing as it revolving around the pole

angular speed is inversely proportional to radius.

so, the angular speed will increase.

The correct answer is option C

7 0

2 years ago