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jekas [21]
4 years ago
9

I will do ALL of your school work!!

Physics
2 answers:
KatRina [158]4 years ago
7 0

Answer:

I will give you $0

Explanation:

I have hardly any money and I don't feel like giving you any.

You can do my work for $0

Thanks! :)

kakasveta [241]4 years ago
4 0

Answer:

get it done for free on www.brainly.com

Explanation:

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A lamp uses a 230 V mains supply and transfers 96 J of energy every second. Work out the current through the lamp. Give your ans
sertanlavr [38]

Answer:

0.4 A

Explanation:

From the question,

Electric power = Voltage×current

P = VI.......................... Equation 1

Make I the subject of the equation

I = P/V..................... Equation 2

Given: P = 96 J/s, V = 230 V.

Substitute into equation 2

I = 96/230

I = 0.4 A.

Hence the current is 0.4 A

8 0
4 years ago
Two compounds are standing at the same temperature. Compound "A" is evaporating more slowly than compound "B." According to the
Whitepunk [10]
I think that some options might have helped to answer the question. I am answering the question based on my research and knowledge. "Compound B may have a lower molecular weight" is the assumption that can be made according to the <span>Kinetic Molecular Theory. I hope the answer has come to your help.</span>
7 0
3 years ago
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A circular test track for cars has a circumference of 4.7 km. A car travels around the track from the southernmost point to the
Alika [10]
Well, for the distance traveled, the car goes from the northernmost point to the southernmost point. So, it travels half of the circle's circumference = 4.7/2 = 2.35 km.

For the displacement, by going from the northernmost point to the southernmost point, the car basically just travels the diameter of circle.

So, using the formula: Circumference = 2πr = <span>πd

Hence, the d = C/</span>π = 4.7/<span>π = 1.49605... = 1.5 km (2 significant figures)
Therefore, displacement = 1.5 km</span>
7 0
3 years ago
to advance in time the evolution of temperature of the atmosphere at any given point in the globe, models calculate the temperat
Natasha_Volkova [10]
  • The complexity of Earth is beyond the capabilities of computer simulations.
  • Numerous assumptions that must be made by computer models have a big impact on the forecasts they produce.
  • A computer model can incorporate historical climate data, but it is not possible to draw assumptions about future climates using this data in any way.
  • A computer model cannot distinguish between anthropogenic climate change and natural climatic fluctuations.
<h3>How precise are temperature forecasts made by climate models?</h3>

The forecasting of global surface temperatures is one of the most significant results of climate models.

Scientists evaluate the effectiveness of their models by contrasting observations of the Earth's climate with predictions of future temperatures and "hindcasts" of past temperatures. Then, by comparing specific climate models and the average of all models to actual warming, scientists may determine whether temperature projections are accurate.

Researchers can have more faith that models can effectively predict future changes in the same factors if they successfully simulate the climate response in the past.

To know more about climate models, visit:

brainly.com/question/21837297

#SPJ4

8 0
1 year ago
A pneumatic system consists of several identical 1.5 inch diameter cylinders to lift 450-pound pallets in a warehouse. the gauge
DerKrebs [107]
The applicable equation:

P = F/A

P = pressure
F = Force or weight
A = surface area

Pressure on each cylinder = (W/n)/A
Where n = number of cylinders. Additionally, pressure in the reservoir is equivalent to the pressure in each cylinder.
Net pressure =  75 - 14.7 = 60.3 psi

Therefore,
60.3 = (W/n)/A = (450/n)/(πD^2/4) = (450/n)/(π*1.5^2/4) = (450/n)/(1.7671)
60.3*1.7671 = 450/n
106.03 = 450/n
n = 450/106.3 = 4.244 ≈ 5

The number of cylinders is 5.
3 0
3 years ago
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