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
djverab [1.8K]
3 years ago
15

. Two charges, Q1 and Q2 , are separated by a certain distance R. If the magnitudes of the charges are halved, and their separat

ion is also halved, then what happens to the electrical force between these charges
Physics
1 answer:
densk [106]3 years ago
6 0

Answer: Magnitude of electrical force stays the same.

Explanation:

Equation:

F_{e} =k\frac{Q_{1}Qx_{2}  }{r^{2} }

Since the magnitude of each charge is halved.

and

the separation is halved.

F_{e} =k\frac{(.5Q_{1}*.5Q_{2}  }{(.5r)^{2} }

F_{e} =k\frac{.25*Q_{1}Qx_{2}  }{.25*r^{2} }

Cancel out .25 on the numerator and denominator. Leaving the original equation.

You might be interested in
In an eslastic ,the momentum is_______and the mechanical energy is​
DIA [1.3K]

Answer:

In an elastic collision, the momentum is conserved and the mechanical energy is conserved too.

Explanation:

There are two types of collisions:

- Elastic collision: in an elastic collision, the total momentum before and after the collision is conserved; also, the total mechanical energy before and after the collision is conserved.

- Inelastic collision: in an inelastic collision, the total momentum before and after the colllision is conserved, while the total mechanical energy is not conserved (in fact, part of the energy is converted into other forms of energy such that thermal energy, due to the presence of frictional forces)

3 0
3 years ago
Marked as brainiest if correct
Naily [24]

Answer:

I think the the answer is creating and layout and template style     ( C )

Explanation:

I did it before and i was checking my notes and i wrote that down , Hope this Helps :)

7 0
3 years ago
What helps determine how easily magma flows?
natta225 [31]
<span>the amount of silica in the magma</span>
3 0
3 years ago
What is the accletation of a 1500kg with a net force of 7500 N
matrenka [14]
Acceleration formulae is:
a=Fnet/mass
According to the question
a=7500N/1500kg
a=5m/s sq.
3 0
3 years ago
A 2.3 kg , 20-cm-diameter turntable rotates at 110 rpm on frictionless bearings. Two 460 g blocks fall from above, hit the turnt
boyakko [2]

Answer:

The correct solution is "64 RPM".

Explanation:

The given values are:

Mass,

M = 2.3 kg

Diameter,

D = 20 cm

i.e.,

   = 0.2 m

Rotates at,

N = 110 rpm

Mass of block,

m = 460 g

i.e.,

   = 0.46 kg

According to angular momentum's conservation,

⇒  I_1\omega_1=I_2\omega_2

then,

⇒  I_1=\frac{1}{2}MR_2

On substituting the values, we get

⇒      =\frac{1}{2}\times 2.3\times (0.1)^2

⇒      =\frac{1}{2}\times 0.023

⇒      =0.0115 \ kg \ m^2

Now,

⇒  I_2=I_1+2mR^2

        =0.0115+2\times 0.46\times (0.1)^2

        =0.0115+0.0092

        =0.02 \ kg \ m^2

then,

⇒  0.0115\times 110=0.02\omega_2

⇒              1.265=0.02\omega_2

⇒                  \omega_2=\frac{1.265}{0.02}

⇒                       =63.25 \ or \ 64 \ RPM

7 0
3 years ago
Other questions:
  • A drag racer accelerates from rest at an average rate of +13.2 mls for a distance of 100. m. The driver coasts for 0.5 then uses
    5·1 answer
  • What is the radius of a circle thats the diameter of 480?
    11·1 answer
  • A wave has a wavelength of 7 mm and a frequency of 9 hertz. What is its speed?
    10·1 answer
  • Formula for velocity
    10·2 answers
  • Your grandfather clock's pendulum has a length of 0.9930 m. if the clock gains 80 seconds per day, should you increase or decrea
    10·1 answer
  • Block A has a mass of 0.5kg, and block B has a mass of 2kg. Block is is released at a height of 0.75 meters above B. The coeffic
    12·1 answer
  • When I double displacement reaction takes place, one of the products must be_______.
    6·2 answers
  • Two foam peanuts become equally charged as they fall out of a cardboard box. Each foam peanut carries a charge of 8 x 10^-4 C. I
    6·1 answer
  • . Draw a Cartesian coordinate system on a sheet of paper. On this Cartesian coordinate system, draw each vector to scale, starti
    8·1 answer
  • What is the Force in Newtons exerted by brick with a mass of 0.5 kg and an Acceleration of 52m/s2?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!