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3 years ago

10

What is the difference between heat and temperature

1 answer:

Helga [31]3 years ago

3 0

Ummm...my best answer is that heat helps the molecules move around faster and that temperature is the measure of that heat or cold.

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How does an insulator stop the flow of an electric current? Question 2 options: insulator keeps the electrons in the insulator f

pickupchik [31]

Electrons in an insulator do not move readily. This is because insulators are objects whose internal electric charges do not flow freely. They impede the flow of electrons from one atom to another atom, thus restricting the flow of electricity. Insulators are electrically inactive and the are used to stop the flow of electric current.

6 0

3 years ago

Shalnov [3]

Answer:

Explanation:

We will use the KE equation you wrote here and fill in what we are given:

$36=\frac{1}{2}m(12)^2$ and isolating the m:

$m=\frac{2(36)}{12^2}$ which gives us

m = .50 kg

3 0

3 years ago

The volume of a gas can be converted to moles by

Sonja [21]

Multiplying the ideal gas law constant

7 0

3 years ago

A 0.70-kg disk with a rotational inertia given by MR 2/2 is free to rotate on a fixed horizontal axis suspended from the ceiling

Setler [38]

Answer:

The force will be "9.8 N".

Explanation:

The given values are:

mass,

m = 0.7 kg

M = 2

g = 9.8

Now,

⇒ $\tau = T \alpha$

then,

⇒ $\frac{1}{2}mR^2(\frac{1}{R}\frac{dv}{dt}) =M(g-a_t)R$

⇒ $\frac{1}{2}m \ a_t=m(g-a_t)$

⇒ $a_t=\frac{2g}{(\frac{m}{M} +2)}$

On substituting the values, we get

⇒ $=\frac{2\times 9.8}{\frac{0.7}{2} +2}$

⇒ $=8.34 \ m/s$

hence,

⇒ $T=mg+M(g-a_t)$

On substituting the values, we get

⇒ $=0.7\times 9.8+2(9.8-8.34)$

⇒ $=6.86+2(1.46)$

⇒ $=6.86+2.92$

⇒ $=9.8 \ N$

5 0

3 years ago

If you were asked how to evaluate scientific evidence, what would you would want to include in your answer?

raketka [301]

You would want to include qualitative and quantitative evidence

6 0

4 years ago