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
Mumz [18]
3 years ago
5

Which scientist saw the atom as a positively charged sphere with negative particles ( electrons ) embedded within?

Physics
1 answer:
dybincka [34]3 years ago
6 0

Thomson discovered the first subatomic particle, the electron, while researching cathode rays. To explain the neutrality of atoms, Thomson proposed a model of the atom in which negative electrons are scattered throughout a sphere of positive charge. He called his atom the plum pudding model.

You might be interested in
The major changes in the state of the universe that occurred immediately after the Big Bang were in ______ and ______.
galina1969 [7]
It is temperature andsize
4 0
4 years ago
The Andromeda Galaxy is faintly visible to the naked eye in the constellation Andromeda. Suppose instead it were located in the
Kaylis [27]

Answer:

a) We could not see it at all.

Explanation:

The most distant object that can be seen is the andromeda galaxy, which we may have a slight view of. The andromeda galaxy is a large galaxy that along with the previous two is also part of the local group. Spiral-type galaxy that is approximately 250,000 light years in diameter (more than twice the diameter of the Milky Way!) And is about 2.9 million light years away from our galaxy. Because of its distance, we have difficulty visualizing this galaxy, we would have this difficulty even if the andromeda galaxy was in the center of the Milky Way, but maintaining its current distance. That is, even if the andromeda galaxy were located in the same direction in space as the center of the Milky Way (but still at its current distance), we could not see it at all.

8 0
4 years ago
two identical springs of spring constant 7580 N/m are attached to a block of mass 0.245 kg. What is the frequency of oscillation
ad-work [718]

The frequency of oscillation on the frictionless floor is 28 Hz.

<h3>Frequency of the simple harmonic motion</h3>

The frequency of the oscillation is calculated as follows;

f = (1/2π)(√k/m)

where;

  • k is the spring constant
  • m is mass of the block

f = (1/2π)(√7580/0.245)

f = 28 Hz

Thus, the frequency of oscillation on the frictionless floor is 28 Hz.

Learn more about frequency here: brainly.com/question/10728818

#SPJ1

3 0
2 years ago
The figure above shows a rod that is fixed to a horizontal surface at pivot P The rod is initially rotating
Lisa [10]

The angular speed is decreasing and direction of rotation clockwise of the rod immediately after time t.

<h3></h3><h3>What is angular speed ?</h3>

The rate of change of angular displacement is defined as angular speed.  It is stated as follows:

ω = θ t

Where,

θ is the angle of rotation,

t is the time

ω is the angular velocity

The torque is found as;l

\rm  T = F \times r

If the force is acting on the rod  from the three point is the same, the value of the torque is depends upon the radius or the perpendicular distance.

The perpendicular distance of the right force is grater. Hence, the force acting on the right side is more, and the rod will rotate clockwise.

Both the forces are acting downwards. Thus, the resultant force is the less due to which the speed is increasing.

Hence, the angular speed is decreasing and direction of rotation clockwise of the rod immediately after time t.

To learn more about the angular speed, refer to the link;

brainly.com/question/9684874

#SPJ1

5 0
2 years ago
At its lowest setting a centrifuge rotates with an angular speed of calculate the angular velocity
I am Lyosha [343]

No answer is possible until we know the number that belongs after the words "... angular speed of ".

8 0
3 years ago
Other questions:
  • What intermolecular force is responsible for the attraction between an ion and a polar molecule?
    13·1 answer
  • Which example best illustrates the transfer of energy between two waves?
    5·2 answers
  • In Newtons first law of motion how is an object at rest affected
    6·1 answer
  • PLEASE HELP ME!!!
    12·1 answer
  • What reasons forced
    5·1 answer
  • The difference in electric potential between a thunder cloud and the ground is 1.53 108 V. Electrons move from the ground which
    15·1 answer
  • Akbar and Lucia apply opposing forces on a
    5·1 answer
  • Through which of the following ways can heat be transferred?
    12·2 answers
  • Acircuit consist of three resistor in series one of 3 ohm, one of 7 ohm , one of 10 ohm battery of emf 12volt and neglible inter
    12·1 answer
  • What experimental evidence led to the development of this atomic model from the one before it?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!