2 years ago

How does fresh water enter the ocean

Physics

1 answer:

dybincka [34]2 years ago

3 0

The answer to the question

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A 15kg ball accelerates at a rate of 3m/s/s. What force was required?

hoa [83]

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 15 × 3

We have the final answer as

Hope this helps you

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2 years ago

If a substance can be separated by physical means and it is not the same throughout, what is it.

VMariaS [17]

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Explanation:

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2 years ago

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What happens to the atoms that make up hydrogen fuel as it burns?

ale4655 [162]

Answer:

Get turned Into Water.

Explanation:

Combustion of Hydrogen involves combining oxygen and hydrogen essentially so when oxygen and hydrogen combine water is produced, following chemical equation describes this process.

$H_{2} +O_{2}=2(H_{2}O)$ .

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2 years ago

A car jack with a mechanical advantage of 6 needs to produce an output force of 600 N to raise a car. What input force is requir

Mkey [24]

B.) 100 N is the CORRECT answer

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3 years ago

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The total consumption of electrical energy in the United States is about 1.0 1019 joules per year.

dexar [7]

Answer:

a) 316880878140.2895 Joules

b) 1056.26 Joules

c) 372.80103310622 km²

Explanation:

Energy consumption

$E=\frac{P}{t}\\\Rightarrow E=\frac{1\times 10^{19}}{365.25\times 24\times 60\times 60}\\\Rightarrow E=316880878140.2895\ W$

Average rate of electrical energy consumption is 316880878140.2895 Joules

Total population = 300 million

$E=\frac{316880878140.2895}{300\times 10^6}\\\Rightarrow E=1056.26\ J$

Each person consumes 1056.26 Joules.

Efficiency = 0.85

Power from Sun

$0.85\times 1000=850\ W/m^2$

Area

$\frac{316880878140.2895}{850}=372801033.10622\ m^2$

Converting to km²

$372801033.10622=\frac{372801033.10622}{1000\times 1000}=372.80103310622\ km^2$

Area required to collect the electrical energy used in the United States is 372.80103310622 km²

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2 years ago

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