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vodka [1.7K]
3 years ago
9

Solve for v. 5 · v=25

Physics
1 answer:
liberstina [14]3 years ago
4 0

Answer:

v= 25

Explanation:

5*5=25

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HELP PLEASE!!
sweet-ann [11.9K]

Answer:

C. More of the heat is transferred to the kinetic energy of the copper atoms than to the kinetic energy of the water molecules.

Explanation:

Both equal masses of water and copper were heated at the same temperature. Since copper is a good conductor of heat compared to water, its  absorbs more heat. Which in-turn increases the rate of vibrations of the atoms in the copper mass, thus increasing their kinetic energy.

In the case of water, its molecules displaces one another after being heated to a higher temperature compared to neighboring molecules. So that the heated molecule becomes less dense and floats to the surface of water.

This property of copper makes it to be heated to a higher final temperature than the water.

6 0
3 years ago
What property of matter do we consider when deciding whether to buy a half-gallon of milk at the store versus a gallon of milk?
Mrac [35]
Liquified matter maybe.
7 0
3 years ago
A point charge Q is located a short distance from a point charge 3Q, and no other charges are present. If the electrical force o
weeeeeb [17]

Answer:

d) F

Explanation:

According to columb's law:

"The magnitude of electrostatic force between two charges is directly proportional to the product of magnitude of two charges and inversly proportional to separation between them."

If q₁ and q₂ are magnitude of two charges, d is distance between them and k is dielectric constant, then force F is given by

                                               

                                              F=\frac{kq_{1}q_{2}}{d^2}

According to this force exerted on point charge Q is same as that of 3Q, so force point 3Q charge experience is also F

7 0
3 years ago
What are the units for specific charge?<br> A. C/kg<br> B. C*kg<br> C. kg/C<br> D. 1/C*kg
Stolb23 [73]

Answer:

Option A

Explanation:

Your answer is the first option or "C/kg." C/kg is a ratio for specific charge. C for the charge of the electron, kg for the mass of the electron. To find the specific charge we divide the two, which usually involves scientific notations and simplifying.

<u>Example:</u>
\frac{C}{kg}
\frac{3.4\times10^3C}{2.7\times10^5kg}

Hope this helps.

6 0
2 years ago
What moves in and out of an open system like the human body? ​
HACTEHA [7]

Carbon dioxide because that's what we breath out?

3 0
3 years ago
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