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erik [133]
3 years ago
15

Objects with ______ charges repel and objects with _______ charges attract *

Physics
1 answer:
Cloud [144]3 years ago
4 0

Answer:

b. Like ; opposite

Explanation:

Objects with like charges repel and objects with opposite charges attract

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If an atom contains 13 protons, then it has <u>13 electrons.</u>

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Conditions of equilibrium of parallel coplanar forces<br><br><br>​
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Explanation:

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2 years ago
I have a bottle of gas, the bottle can expand and contract. Initially the gas is at 1 kpa of pressure and a volume of 1 Liter, a
drek231 [11]

Answer:

P₂ = 1.22 kPa

Explanation:

This problem can be solved using the equation of state:

\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}

where,

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T₁ = initial temperature = 290 k

T₂ = final temperature = 390 k

Therefore,

\frac{(1\ kPa)(1\ liter)}{290\ k} =\frac{(P_2)(1.1\ liter)}{390\ k}\\\\P_2= \frac{(1\ kPa)(1\ liter)(390\ k)}{(290\ k)(1.1\ liter)}

<u>P₂ = 1.22 kPa</u>

7 0
2 years ago
As the amount of surface area increases, what happens to the rate of this reaction? If the antacid tablet were broken into eight
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as the surface  area increases the rate of reaction  also increases.

Explanation:

4 0
3 years ago
A mass of 25kg is moving and is stopped in 1.2 seconds with an acceleration of 1.0 m/s squared what is the force on the mass?
Phantasy [73]
F=ma therefore 25kg*1.0m/s^2=25N force on the mass
6 0
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