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White raven [17]
3 years ago
10

Generally, children begin to form a self-concept around ______ months of age.​ ​

Physics
1 answer:
Marina86 [1]3 years ago
4 0

18-30 (age 3)


Hope this helps!!!!


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Remember to identify all your data, write the equation, and show your work.
Paraphin [41]

Answer:

I believe it's 8.09 seconds, but I'm rusty on my physics.

Explanation:

The equation for solving the time it takes for an object to fall is \sqrt{2d/g}

So multiply the distance times 2, and you get 642 meters. Then you divide by gravities acceleration constant, 9.8, and you get 65.51. Finally, \sqrt{65.51}, and you get 8.09 seconds.

I pulled the equation off of wikipedia and I'm unsure if it's the correct one, so hopefully this is correct. :/

6 0
3 years ago
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Natasha2012 [34]

Answer:

bob

Explanation:

bi

6 0
4 years ago
QUESTION 7
harina [27]

The term used is " WORK".

I'm really sorry it's not one of the choices.

8 0
3 years ago
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What is the amount of displacement of a runner who runs exactly 2 laps around a 400 meter track?
Alex787 [66]
Displacement is the distance and direction from the start point to the end point. Our runner finished exactly where he started. His displacement is zero.
5 0
3 years ago
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A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. When 3300 kcal o
Tema [17]

Answer

given,

heat added to the gas,Q = 3300 kcal

initial volume, V₁ = 13.7 m³

final volume, V₂ = 19.7 m³

atmospheric pressure, P = 1.013 x 10⁵ Pa

a) Work done by the gas

    W = P Δ V

    W = 1.013 x 10⁵ x (19.7 - 13.7)

    W = 6.029 x 10⁵ J

b) internal energy of the gas = ?

  now,

 change in internal energy

  Δ U = Q - W

    Q = 3300 x 10³ cal

    Q = 3300 x 10³ x 4.186 J

    Q = 1.38 x 10⁷ J

now,

  Δ U = 1.38 x 10⁷  - 6.029 x 10⁵

  Δ U = 1.32 x 10⁷ J

6 0
3 years ago
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