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
dangina [55]
3 years ago
6

Why do protons repel protons but attract electrons ??

Physics
1 answer:
erma4kov [3.2K]3 years ago
5 0
Ever heard of, "<em /><em>Opposites attract"</em>?

Protons attract the opposite --> electrons.

Protons --> +
Electrons --> -

+ cannot attract +, so they repel.
You might be interested in
A lighthouse is located on a small island, 3 km away from the nearest point on a straight shoreline, and its light makes four re
lbvjy [14]

Answer:

The beam of light is moving at the peed of:

\frac{dy}{dt} = \frac{80\pi}{3} km/min

Given:

Distance from the isalnd, d = 3 km

No. of revolutions per minute, n = 4

Solution:

Angular velocity, \omega = \frac{d\theta'}{dt} = 2\pi n = 2\pi \times 4 = 8\pi    (1)

Now, in the right angle in the given fig.:

tan\theta' = \frac{y}{3}

Now, differentiating both the sides w.r.t t:

\frac{dtan\theta'}{dt} = \frac{dy}{3dt}

Applying chain rule:

\frac{dtan\theta'}{d\theta'}.\frac{d\theta'}{dt} = \frac{dy}{3dt}

sec^{2}\theta'\frac{d\theta'}{dt} = \frac{dy}{3dt} = (1 + tan^{2}\theta')\frac{d\theta'}{dt}

Now, using tan\theta = \frac{1}{m} and y = 1 in the above eqn, we get:

(1 + (\frac{1}{3})^{2})\frac{d\theta'}{dt} = \frac{dy}{3dt}

Also, using eqn (1),

8\pi\frac{10}{9})\theta' = \frac{dy}{3dt}

\frac{dy}{dt} = \frac{80\pi}{3}

7 0
3 years ago
Which would be the most reliable source for information about the toxicity of an industrial chemical?
kvasek [131]
A scientific journal article that is peer reviewed. This is because it is more likely not have factual information and sources to that information.
3 0
3 years ago
Read 2 more answers
A single frictionless roller-coaster car of mass m = 750. kg tops the first hill with speed v = 15.0 m/s at height h = 20.0 m as
Law Incorporation [45]

i will give you 25 points sorry becuase i can't help with that

3 0
3 years ago
A trip is taken that passes through the following points in order
riadik2000 [5.3K]

Answer:

35, I got you bro, i got you

8 0
3 years ago
Which is not a device for reproducing sound?
Alona [7]
Phonograph. Hope that helps
7 0
3 years ago
Other questions:
  • A +2.00nc point charge is at the origin, and a second -5.00nc point charge is on the x-axis at x = 0.800m find the magnitude of
    14·1 answer
  • What is the velocity of all electromagnetic waves in a vacuum?
    14·1 answer
  • With what minimum speed must you toss a 130 gg ball straight up to just touch the 15-mm-high roof of the gymnasium if you releas
    14·1 answer
  • You have two photos of a person walking. One shows the person at the corner of Third and Main streets, the other shows the perso
    10·1 answer
  • Which muscle group works the hardest (isometrically) when performing a wrist curl in the pronated position?
    8·2 answers
  • The Achilles tendon, which connects the calf muscles to the heel, is the thickest and strongest tendon in the body. In extreme a
    8·1 answer
  • The amplitude of a wave is the height of a wave as measured from the highest point on the wave________ to the lowest point on th
    15·2 answers
  • Water flows from one reservoir to another a height, 41 m below. A turbine (η=0.77) generates power from this flow. 1 m3/s passes
    5·1 answer
  • What is inelastic deformation?
    6·1 answer
  • In his novel From the Earth to the Moon (1866), Jules Verne describes a spaceship that is blasted out of 12,000 yards/s. the Col
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!