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konstantin123 [22]
3 years ago
11

A 5.0 c charge is 10 m from a small test charge. what is the magnitude of the electric field at the location of the test charge

?
Physics
1 answer:
Inessa [10]3 years ago
7 0

Answer:

4.50*10^8\frac{N}{C}

Explanation:

The electric field is generated by a charge and represents the force exerted on a test charge, that is, the electric force per unit of charge. Therefore the equation for the electric field can be obtained from Coulomb's law.

E=\frac{F}{q}\\E=\frac{kq}{r^2}\\E=\frac{5C*8.99*10^9\frac{Nm^2}{C^2}}{(10 m)^2}=4.50*10^8\frac{N}{C}

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M
cupoosta [38]

Answer:

<h3>The answer is 1.92 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 2.5 g

Volume = 1.3 cm³

We have

density =  \frac{2.5}{1.3}  \\  = 1.923076...

We have the final answer as

<h3>1.92 g/cm³</h3>

Hope this helps you

5 0
3 years ago
Bohr's model of the atom included a positively charged _____ orbited by negatively charged _____. nucleus, protons nucleus, elec
alexgriva [62]
Electrons and neutrons


altho if I were you id check other sites. Hopefully I was able to help.. Have a great day :)
7 0
4 years ago
Read 2 more answers
Two students stand poised to leap off a high dive structure into the swimming pool below. Student B is twice as massive as stude
iogann1982 [59]

Answer: option (D)

Explanation:

The potential energy of each of the students is given below as

P.E(student A) = mgh, where m = mass of student A, g is acceleration due to gravity and h = height of the high dive structure.

The mass of student B is twice as much as that of A, hence his mass is 2m and his potential energy is given below as

P.E ( student B) =2mgh = 2(mgh)

Recall that the relationship between potential energy and work done is that

Work done = - (change in potential)

For student A, work done = - mgh

For student B, work done = - 2mgh

From the equations above it can be seen that student B will do twice the work in getting to the high dive structure than student A hence validating option D.

8 0
3 years ago
a girl pushes a cart to the left a 100-N force. a boy pushes it to the right with a 50-N force. The net force exerted on the car
AURORKA [14]
Since the net force is the amount of force favoring the side with the most force acted upon it,

100 - 50 = 50

50N to the left

Hope this helps!
5 0
4 years ago
The heliocentric system gained support when Galileo observed that _____.
lianna [129]
Venus goes through phases similar to those of earths moon.
4 0
3 years ago
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