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gtnhenbr [62]
3 years ago
6

Why does the volume of water in a cylinder increase when it is heated

Physics
1 answer:
Contact [7]3 years ago
6 0
Heat causes the water molecules to move faster. As the molecules move apart, the water has a greater volume and less density.
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In a recent experiment, anti-bacterial hand sanitizer was compared to hand soap. Students washed their hands using the sanitizer
Elden [556K]
<span>B) Both soap brands out perform hand sanitizer in killing bacteria.</span>

Looking at the data, the conclusion is pretty obvious, the two different types of soap resulted in about half the bacteria cultures as either the hand sanitizer, or just using warm water. In fact, the hand sanitizer looks like it's even worse than simply using warm water. So looking at the four available options, the best choice is "B) Both soap brands out perform hand sanitizer in killing bacteria."
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3 years ago
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Define homeostasis please I need help
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Homeostasis is the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. 
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3 years ago
Which picture correctly shows the path of the reflected light rays given an object outside the focal point?Select one:a. Ab. Bc.
nignag [31]

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6 0
1 year ago
Explain how electricity is generated and distributed, and why it is so useful and powerful for modern society.
yarga [219]

Answer:

Generation ----transmission---distribution

Explanation:

Electricity is generated from the generating station which could be (thermal, hydro, nuclear, coal etc) ,it is generated at a low voltage and is being step up to a higher voltage with the aid of transformers. This transformers step up and step down voltages from one level to another. At the transmission end they ensure the voltage get to the distribution end .the distribution end ensures the voltages are being supplied to nearby homes. The rated voltage for homes is 230v in some countries or 110V in other countries.

Electricity is useful and powerful for modern society because majority of the equipments in use today depends on electricity for use.which makes it very important.

3 0
3 years ago
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Q2.
zzz [600]

Answer:

800W

Explanation:

Given the following data;

Voltage = 230 V

Model = VSO Ha

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Power is calculated by the multiplication of voltage and current flowing through an electric circuit.

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Power = current * voltage

The S.I unit for power is Watts and it is a measure of the energy consumption of an electronic device.

3 0
3 years ago
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