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lianna [129]
3 years ago
7

Look at the equation below. What does the u represent?

Physics
1 answer:
Solnce55 [7]3 years ago
5 0

Answer:

but you didn't give the equation the question is incomplete

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Dos cargas Q1=2pc y Q2=4pc estan separadas por una distancia de 6cm ¿con que fuerza se atraen?
noname [10]

Here we can use coulomb's law to find the force between two charges

As per coulombs law

]tex]F = \frac{kq_1q_2}{r^2}[/tex]

here we have

k = 9 * 10^9

q_1 = 2pC

q_2 = 4pC

r = 6cm = 0.06 m

now by using the above equation we have

F = \frac{9*10^9 * 2*10^{-12} * 4*10^{-12}}{0.06^2}

F = 2 * 10^{-11} N

so here the force between two charges is of above magnitude and this will be repulsive force between them as both charges are of same sign.

3 0
3 years ago
Jonathan is studying solutions in his chemistry class. The teacher instructs the students to measure 2 tablespoons of salt into
bulgar [2K]
8 tablespoons of water.
2 x 4 = 8

I hope this helps :)
3 0
2 years ago
Please choose the answer that describes the scientific notation 5098000
bonufazy [111]

So there is a decimal after the last zero and it looks like this 5098000. You have to move the decimal point six back to get in between the five and the zero which looks like this 5.098000 

<span>Scientific notation is the way that scientists easily handle very large numbers or very small numbers. For example, instead of writing 0.0000000056, we write 5.6 x 10^<span>9</span>.</span>

Being that we moved the decimal six places back the answer is 5.098 x 10^6

3 0
4 years ago
The chances of being involved in a fatal crash is higher at night then during the day
Ierofanga [76]
Indeed because some leave headlights off and ignore that fact since there are street lights around.
3 0
3 years ago
How does a compound differ from a mixture?
Mashcka [7]
A compound is the substances that are formed by combining two are more chemical elements. A mixture is a substance created from two or more matter that can be separate with the help of physical methods. ... Mainly pure water is part of the compound. Mixtures fall under impure water.

Hope this helps!

Have a great day!
4 0
3 years ago
Read 2 more answers
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