3 years ago

Does a set of all sets contain itself?

Physics

1 answer:

ipn [44]3 years ago

5 0

The set of all sets that are not members of themselves. This contradiction is Russell's paradox.

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Which undergoes greater acceleration: an airplane that goes from 1000 km/h to 1005 km/h in 10 seconds or a skateboard that

Alex_Xolod [135]

Answer:

Skateboard

Explanation:

Acceleration is change in velocity over time.

a = Δv / Δt

The airplane's acceleration is:

a = (1005 km/h − 1000 km/h) / 10 s

a = 0.5 km/h/s

The skateboard's acceleration is:

a = (5 km/h − 0 km/h) / 1 s

a = 5 km/h/s

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2 years ago

Will an atom emit light if all the atoms electrons are in the ground state

Oliga [24]

No,

To emit light an electron has to jump down to a lower energy level but in an electron is unable to go any lower in ground state.

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3 years ago

Every force has a specific and identifiable cause called a(n)...............

goblinko [34]

1 Bc I just did it and got it right

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2 years ago

The theory of plate tectonics suggests that about 200 million years ago, all of Earth's land was confined to a single continent

miss Akunina [59]

The answer is D Pangaea

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3 years ago

Read 2 more answers

b) Assume the rod is 0.60 m long and has a mass of 0.50 kg, and the clay blob has a mass of 0.20 kg and moves at an initial velo

SOVA2 [1]

Answer:

The correct answer is "6.96 rad/s".

Explanation:

The given values are:

Length,

L = 0.6 m

Mass,

m₁ = 0.5 kg

m₂ = 0.2 kg

Initial velocity,

V = 8 m/s

Now,

The final angular velocity will be:

⇒ $\omega =\frac{6m_1V}{(4m_1+3m_2)L}$

By substituting the values, we get

⇒ $=\frac{6\times 0.2\times 8}{(4\times 0.2+3\times 0.5)0.6}$

⇒ $=\frac{9.6}{1.38}$

⇒ $=6.96 \ rad/s$

4 0

3 years ago