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Degger [83]
3 years ago
6

Why does a foil airplane fly farther than a paper one?

Engineering
1 answer:
Free_Kalibri [48]3 years ago
5 0

Answer:

the reason paper airplanes fly is because of lift the foil has no lift

Explanation:

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Reduce the force F ij = + (2 5 ) kN to point A(2m,3m) that acts on point B( 3m,5m) - .
Alexxx [7]

Given :

Force, \vec{F}= (2\hat{i} + 5\hat{j})\ kN.

Force is acting at point A( 2 m, 3 m ) and B( 3 m, 5 m )

To Find :

The work done by force F .

Solution :

Displacement vector between point A and B is :

\vec{d} = (3-2)\hat{i} + (5-3)\hat{j}\\\\\vec{d} = \hat{i} + 2\hat{j}

Now, we know work done is given by :

W = \vec{F}.\vec{d}\\\\W= (2\hat{i} + 5\hat{j}).(\hat{i}+\hat{2j})\\\\W = (2\times 1) +( 5\times 2) \ kJ\\\\W = 12 \ kJ

W = 12000 J

Therefore, work done by force is 12000 J .

6 0
3 years ago
Water from the Earth's surface turns into a gas, or water vapor, when it is warmed and
bagirrra123 [75]

Answer:

Evaporation.

Explanation:

Evaporation is the stage of the Water Cycle where water turns into water vapor. The steps following Evaporation in order include Condensation, Precipitation, and Transpiration.

4 0
3 years ago
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What did the US and USSR agree on in the INF Treaty? They agreed to reduce nuclear weapons. They agreed that new European nation
faust18 [17]

Answer:

they agreed to reduce nuclear weapons

4 0
2 years ago
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Income tax payable is included in the account...​
den301095 [7]

Answer:

Current Liabilities

Explanation:

Accounts of Current Liabilities

  • Account Payable
  • Expense Payable
  • Tax Outcome
  • Tax Income
  • Income tax payable
5 0
2 years ago
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What is the resistance of a circuit with three 1.5 v batteries and running at a current of 5A?
adoni [48]

Answer:

0.3 Ω

Explanation:

Resistance (R) = V/I

R = 1.5/5

R = 15/50

= 3/10

= 0.3Ω

hope it helps :)

3 0
3 years ago
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