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
11111nata11111 [884]
3 years ago
8

7) A force of 500N exists between two identical point charges separated by a dis-

Physics
2 answers:
navik [9.2K]3 years ago
8 0

Answer:

q=9.43×10^-5C

Explanation:

F=kq^2/r^2

500= 9×10^9 × q^2/ (0.4)^2

500N×0.16m=9×10^9Nm^2C^2 × q^2

80/(9×10^9)= q^2

√(8.8889×10^9) = q

q= 9.43×10^-5C

since they are identical both charges, q=9.43×10^-5C

ioda3 years ago
5 0

Explanation:

f=500N

d=40cm=0.4m

=

\sqrt{500 \times 500 + .4 \times .4}

You might be interested in
In the box provided explain why living organisms contain more hydrogen atoms than any other atoms
leva [86]

Answer:it is due to present of water amount in our body. Our body consists 70%of water and 1/3of oxygen and 2/3 of hydrogen.

Explanation: human body consist of 1/3 of oxygen and 2/3 of hydrogen because oxygen contain 16 times more mass than hydrogen atom, hydrogen has only 1 proton so its atomic no. is 1  whereas oxygen has 8 proton and 8 neutrons so its atomic no.is 8 and mass is 16 so overall it takes 16 hydrogen atoms to equal to the mass of 1 oxygen atom.

6 0
3 years ago
How can scientific phenomena be used in design?​
Alex73 [517]
I’m not really sure I’m sorry
4 0
2 years ago
What is a disadvantage of using biomass as an energy resource?
Rama09 [41]

Answer:

hope this helps i think the answer is C

5 0
3 years ago
One difference between mixture and pure substances is that
Lunna [17]
Pure substances can be elements made up exclusively of one kind of atom, or they can be compounds made up of molecules that include two or more elements. Mixtures can be homogeneous or heterogeneous depending on how finely mixed the components are.
7 0
2 years ago
In a parallel circuit, if bulb #2 were to blow out, bulb #1 would stay lit or go out?
valkas [14]
Vhychhguuhkxkgxjgzkg
8 0
3 years ago
Other questions:
  • What is the inverse tangent of 0.9?
    8·2 answers
  • A change of color is a sign that a chemical reaction is taking place. true or false
    5·1 answer
  • The passage of electricity is caused by the movement of what
    14·2 answers
  • 1. Mendeleev arranged the known chemical elements in a table according to
    5·2 answers
  • An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?
    11·1 answer
  • During a race there are lots of forces that are exerted on a race car. One of these forces is friction.
    6·1 answer
  • Upwelling _____.
    10·2 answers
  • The number of perpandicular components of a force is<br>​
    7·1 answer
  • 5. What is the velocity of a 0.5 kg ball that has a momentum of 3.00 kg m/s?
    13·1 answer
  • Khi tia tới hợp với pháp tuyến tại điểm một góc i = 30 độ thì tia phản xạ hợp với pháp tuyến tại điểm tới một góc
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!