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Likurg_2 [28]
3 years ago
13

When the wings of an airplane come to a point at the nose like an arrowhead the shape is called

Physics
2 answers:
Anna [14]3 years ago
7 0
That's called a "delta-wing" design.

If you look at it from above, it looks like the Greek letter ' delta '.

(This is a Greek delta ==>  Δ .)
goblinko [34]3 years ago
5 0

The arrowhead design of the wing of the airplane is referred to as the Delta wing.

<u>Explanation:</u>

The delta wing is a design of the wing of the airplane when it comes to the nose point of the airplane. This shape is called as the delta wing because it resembles the Greek symbol of delta.

The delta can be seen as the isosceles triangle which represent each side to be equal in proportion, and so does the delta winged air craft or air planes.

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PLEASE HELP 100 POINTS!!!!!
Bas_tet [7]

Answer:

C

Explanation:

Carbon dioxide should be the input, and oxygen should be the output.

3 0
3 years ago
Read 2 more answers
1. Question
Paraphin [41]
All of the forces listed are correct.  There are 4 presently known forces.
Second question os B. the Lorentz force.  It's given by
F=q(E+VxB)  where q is the electric charge, E is the electric field, V is the particle's velocity vector, B is the magnetic flux density, and "x" represents the vector cross product.
6 0
3 years ago
Heating gas to create plasma can yield?
leva [86]
When a gas is heated to become a plasma, the atoms (or the molecules) of the gas become ionised. In the ionisation, the atoms loose electrons from the exterior energy levels and thus heating to achieve a plasma will create free electrons and ionized atoms (or ionized molecules).

A plasma can not contain neutrons, because neutrons together with protons make the nuclei of the atoms. To free the neutrons from the atomn nuclei there would be necessary HUGE temperatures.

Also a plasma does not contain neutral elements (atoms) or (neutral) molecules, but Ionized atoms and/or molecules and free electrons.

Thus the good answer is d) 

7 0
3 years ago
Read 2 more answers
A blue supergiant star has surface temperature 27 kK and has total power output 100000 times that of the Sun.
Free_Kalibri [48]

Answer:

Wien peak ( λmax ) is 107.40 nm

radius of super giant is 1.086 ×10^{10} m

Explanation:

given data

temperature 27 kK

power = 100000 times of Sun

Sun radius =  6.96 × 10^8 m

to find out

Wien peak ( λmax ) and radius of supergiant (r)

solution

we will apply here first wien law to find Wien peak  that is

λmax = b / t

λmax = 2.9 × 10^{-3} / 27000 = 1.0740 × 10^{-7}

so Wien peak ( λmax ) is 107.40 nm

and

now we apply steafay law that is

P = σ × A × T^{4}   .........................1

and we know total power output 100000 time of Sun

so we say  

4πr²sT^{4}  = 100000 × 4πR²sTs^{4}

r² = 100000  × R²Ts^{4} / T^{4}

put here value

r² = 100000  × (6.96×6000^{8} )² × 6000^{4} / 27000^{4}

r² = 1.18132 ×10^{20}

r = 1.086 ×10^{10} m

so radius of super giant is 1.086 ×10^{10} m

3 0
4 years ago
If there is "waste" energy, does the Law of Conservation of Energy still apply? please don't type something random if so i'll ju
FinnZ [79.3K]

Explanation:

Yes, the law of conservation of energy still applies even if there is waste energy.

The waste energy are the transformation products of energy from one form to another.

According to the law of conservation of energy "energy is neither created nor destroyed by transformed from one form to another in a system".

But of then times, energy is lost as heat or sound within a system.

  • If we take into account these waste energy, we can see that energy is indeed conserved.
  • The sum total of the energy generated and those produced will be the same if we factor in other forms in which the energy has been transformed into.
8 0
3 years ago
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