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Len [333]
4 years ago
13

What is causing the plates of granite rock to flake off

Physics
2 answers:
butalik [34]4 years ago
6 0
Earth erosion maybe
Taya2010 [7]4 years ago
4 0

A change in pressure once exposed at the surface. -Apex

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A car initially travels west with a kinetic energy of 10 J. Then it travels east at three times its original speed. What is its
JulijaS [17]

KE₁ = 1/2mv²

10 J = 1/2mv²

KE₂ = 1/2m(3v)²

KE₂ = 1/2mv².9

KE₂ = 10 . 9 = 90 J

8 0
2 years ago
How would you expect energy to change her in a chemical reaction?
igor_vitrenko [27]
The correct answer is option (c) i.e. Energy will be converted into another form.
<span>
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6 0
3 years ago
A negative slope on the velocity vs. time graph indicates that the object is not
Svetlanka [38]

Answer: False, I think

Explanation:

Well it depends. Its hard to say without a function of the graph. Given a velocity graph, the first derivative is the acceleration.

Negative slope on a velocity graph means you are going in the negative direction. And over time, your velocity per unit of time is also decreasing. That means we are accelerating in the negative direction

4 0
3 years ago
Read 2 more answers
Cierto volumen de gas se encuentra a 60°c de temperatura y 5atm de presión, es calentado hasta 140°c, estado en el cual ocupa un
earnstyle [38]

Answer:

V1 = 2221.33 L

Explanation:

The system is about a ideal gas. Then you can use the equation for ideal gases for a volume V1, temperature T1 and pressure P1:

P_1V_1=nRT_1   (1)

And also for the situation in which the variables T, V and P has changed:

P_2V_2=nRT_2   (1)

R: constant of ideal gases = 0.082 L.atm/mol.K

For both cases (1) and (2) the number of moles are the same. Next, you solve for n in (1) and (2):

n=\frac{P_1V_1}{RT_1}\\\\n=\frac{P_2V_2}{RT_2}

Next, you equal these equations an solve for T2:

\frac{P_1V_1}{RT_1}=\frac{P_2V_2}{RT_2}\\\\V_1=\frac{P_2V_2T_1}{P_1T_2}

Finally you replace the values of P2, V2, T1 and T2:

V_1=\frac{(7atm)(680L)(140\°C)}{(60\°C)(5atm)}=2221.33\ L

Hence, the initial volume of the gas is 2221.33 L

5 0
4 years ago
In what form is carbon found in the atmosphere?
svlad2 [7]

Answer:

Carbon is found in the atmosphere mostly as carbon dioxide.

Explanation:

4 0
3 years ago
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