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2 years ago

How do the weights of the tug of war teams affect the match

2 answers:

8 0

In Newton's Second Law of Motion, it simply states that mass x acceleration= force. So if there's more weight on one side and the same amount of acceleration on both side, then the side with more weight has more force. And with more force it tugs it more than the other side.

Shkiper50 [21]2 years ago

3 0

Because when the players lean towards their side, gravity pulls them backwards, it also makes it harder for the other side to pull someone so heavy. It's like a kid trying to pull their parent. Their parent is so much heavier that if the parent doesn't want to move they won't.

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Assuming the average rate of heat energy flowing outwards from earth to be 0.063 W/m2 calculate the energy available at a hot sp

MaRussiya [10]

Answer:

"13.48 Kwhr" is the right solution.

Explanation:

The given values are:

Average rate of heat energy,

= 0.063 W/m²

Diameter,

= 8m

Efficiency of conversion,

= 50%

Now,

The area of hotspot will be:

⇒ $A=\frac{\pi}{4} d^2$

On substituting the values, we get

⇒ $=\frac{3.14}{4} (8)^2$

⇒ $=0.785\times 64$

⇒ $=50.24 \ m^2$

Total heat generation rate will be:

⇒ $Q=q\times A$

$=0.063\times 50.24$

$=3.16 \ W$

hence,

The electricity generation capacity will be:

⇒ $P=\eta Q t$

On substituting the values, we get

⇒ $=0.5\times 3.16\times 8760$

⇒ $=13840.8 \ Whr$

On converting into Kwhr, we get

⇒ $=13.84 \ Kwhr$

6 0

2 years ago

Explain how fossil fuel use in the US makes us vulnerable to the demands of foreign countries.

daser333 [38]

Well the US doesn't naturally have a lot of fossil fuels so we rely on other countries who do have fossil fuels. So if we aren't that friendly with Saudia Arabia (they have a bunch of oil) then they can hike up the prices or cut us off from their oil supply completely which would cripple the US severly. So with that being said, we NEED other countries, and the big question is when will they not NEED us. At any point in which they feel that they don't need us they can just cut us off, which would be bad.

Hope that helps :)

4 0

3 years ago

Read 2 more answers

Use each of the following terms in a separate

Alenkinab [10]

I think the correct answer is going to be A

3 0

2 years ago

A Cathode of initial mass 10.00g weigh to 10.05g

Leto [7]

Answer: