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Vedmedyk [2.9K]
3 years ago
15

How to get to physics questions on this site?thanks

Physics
2 answers:
tester [92]3 years ago
6 0
Select physics on the ask question drop down menu.
NeX [460]3 years ago
3 0
-- If you want to ASK a Physics question . . .
Click on the orange block over there  =====>
that says " + Ask a question".
In the new window, there is a drop-down menu where you can
select the category you want your question to go into.

-- If you want to SEE all the Physics questions that other people
have already asked . . .
. . . Click on the orange funnel up at the top, next to the "brainly.com" .
. . . This will open a screen full of all the questions that have been asked
in EVERY category ... all the questions on the site.
. . . At the top of the blue part of the screen, there's a strip that says "All Subjects".
When you click in there, you get a list of categories.  You can click on the one
you're interested in, and the screen changes to only show questions in the
subject you picked.
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The heat flux that is applied to the left face of a plane wall is q" = 20 w/m2. the wall is of thickness l = 10 mm and of therma
inessss [21]
Of course steady state condition occurs in almost any system but time it will occurs varies among system. for this kind of system, conduction, steady state conduction occurs when the temperature change from one point to the point is already constant. steady state is not achieved immediately because the heat travels and material will not be heated at the same way at the starting point.
5 0
3 years ago
Read 2 more answers
A charge q1 of -5.00 x 10^-9 C and a charge q2 of -2.00x 10^-9 C are separated by a distance of 40.0 cm. Find the equilibrium po
Blababa [14]

The magnitude of charge on a proton and electron is the same, 1.602 x 10-19 C. Protons are +, and electrons -.

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3 years ago
A river flowing steadily at a rate of 175 m3/s is considered for hydroelectric power generation. It is determined that a dam can
Alex_Xolod [135]

Answer:

137200000 watts or 137200 kilowatts

Explanation:

The formula for power is P= dhrg

Where P = Power in watts

d = density of water (1000 kg/m^3)

h = height in meters

r = flow rate in cubic meters per second,

g = acceleration due to gravity of 9.8 m/s^2,

Plugging in the known values,

we get

P = 1000 kg/m^3 * 80 m * 175 m^3/s * 9.8 m/s^2

P = 80000 kg/m^2 * 175 m^3/s * 9.8 m/s^2

P = 14000000 kg m/s * 9.8 m/s^2

P = 137200000 kg m^2/s^3

P = 137200000 watts or 137200 kilowatts

The above figure assumes 100% efficiency which is impossible. A good efficiency would be 90% so the actual power available would be close to 0.90 * 137200 = 123480 kilowatts

6 0
3 years ago
How do particle motion and temperature change as a material absorbs heat?
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A force of 8480 N is applied to a cart or decelerate is at a rate of 32.0 m/s2. What is the mass of the cart?
Otrada [13]

I believe it to be 265kg.

4 0
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