1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Grace [21]
3 years ago
14

A 0.85 N force exists between a 7.1 * 10 ^ - 6 * C charge 5.4 m away. What is the magnitude of the second charge ? Please show w

ork
Physics
1 answer:
katovenus [111]3 years ago
4 0

Answer:

Explanation:

Force between charge is given by the following expression

F = k Q₁ Q₂ / R² , k = 9 x 10⁹ , Q₁ and Q₂ are charges , R is distance between charges .

Putting the given values ,

.85  = 9 x 10⁹ x 7.1 x 10⁻⁶ x Q₂ / 5.4²

Q₂ = .85 x  5.4² / (9 x 10⁹ x 7.1 x 10⁻⁶ )

= .38788  x 10⁻³ C .

= 387.88 x 10⁻⁶ C .

You might be interested in
Consider the circuit shown in the figure below. (Let R1 = 3.00 Ω, R2 = 8.00 Ω, and = 10.0 V.). . (a) Find the voltage across R1.
Goryan [66]
You take the inverse of the total resistances of each branch and add them up. So if you have 5ohm, 7 ohm, and 10ohm, you would add 1/5 + 1/7 + 1/10 = 31/70 Then flip it back by either using the <span>x<span>−1</span></span><span> (inverse) key on your calculator or simply dividing 70 by 31 to get a total of 2.26ohms</span>
8 0
3 years ago
9. [03.03]
Evgen [1.6K]

Answer:

Circuit one will have more current than circuit two

Explanation:

I am assuming that you have to see which circuit has the greater current in this case. Well, this is the perfect example of Ohm's Law, which states the following -

V = IR,

where V = voltage / potential difference, I = current, and R = resistance

If one circuit has twice the voltage and half the resistance of the second circuit, as voltage is directly proportional to the resistance -

2V = I( 1 / 2R ),

4V = IR,

I = 4V / R

Whereas in the second circuit -

V = IR,

I = V / R

As you can note, voltage is directly proportional to the current ( I ) as well as the resistance. The only difference between the two formulas I = 4V / R, and I = V / R is the difference in the voltage. With the voltage being 4 times greater in the first circuit, and current is 4 times greater in the first circuit as well.

<u><em>Hence, circuit one will have more current than circuit two</em></u>

5 0
3 years ago
Read 2 more answers
What is a milliliter.
zavuch27 [327]

Answer:

one thousandth of a liter (0.002 pint).

Explanation:

7 0
3 years ago
Read 2 more answers
What kind of waves can cause the most damage on the earth's surface?
Karo-lina-s [1.5K]

Answer:

Surface waves, in contrast to body waves can only move along the surface. They arrive after the main P and S waves and are confined to the outer layers of the Earth. They cause the most surface destruction. Earthquake surface waves are divided into two different categories: Love and Rayleigh.

Explanation:

Hope this helped Mark BRAINLIEST!!!

4 0
3 years ago
Read 2 more answers
Question 4 of 20
Mnenie [13.5K]

Answer:

D

Explanation:

F = G m1 m2 / r^2       now double  r

 F =  G m1m1/ (2r)^2

    F =  1/4  G m1m2/r^2     <===== this is 1/4 of the original

5 0
2 years ago
Other questions:
  • A tourist averaged 82km/hr for a 6.5h trip in her volkswagen. how far did she go?
    9·1 answer
  • A 5 N force pushes on the right side of a box. At the same time, a 10 N force pushes on the left side of the box. What happens t
    9·2 answers
  • Which is not a way to conserve existing energy resources?
    8·2 answers
  • Planets in our solar system do not revolve around the sun in perfect circles. Their orbits are more like ovals that scientists d
    8·1 answer
  • Kenneth observes that as an ambulance approaches him, the pitch of the sound of the siren is higher, and the pitch decreases whe
    7·1 answer
  • A jet transport has a weight of 2.25 x 106 N and is at rest on the runway. The two rear wheels are 16.0 m behind the front wheel
    12·1 answer
  • What if the Earth was moved out to Jupiter's orbit which is about 5
    6·1 answer
  • It appears as though the moon disappears and the sun comes out in the daytime. Based on what you know, explain why this is happe
    11·2 answers
  • 1 What happens to the direction of the force on a current-carrying wire if the
    13·1 answer
  • U need help so can some one help me
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!