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
Step2247 [10]
3 years ago
9

Why are collisions between galaxies more likely than collisions between stars within a galaxy?

Physics
1 answer:
KatRina [158]3 years ago
8 0

Answer:

stars share a gravitational force with the galaxy while nearby galaxies do not share a gravitational field.

Explanation:

stars will not collide because they are bound by a gravitational orbit around the galaxy

You might be interested in
A viscoelastic polymer that can be assumed to obey the Boltzmann superposition principle is subjected to the following deformati
Slav-nsk [51]

The question is incomplete. The complete question is :

A viscoelastic polymer that can be assumed to obey the Boltzmann superposition principle is subjected to the following deformation cycle. At a time, t = 0, a tensile stress of 20 MPa is applied instantaneously and maintained for 100 s. The stress is then removed at a rate of 0.2 MPa s−1 until the polymer is unloaded. If the creep compliance of the material is given by:

J(t) = Jo (1 - exp (-t/to))

Where,

Jo= 3m^2/ GPA

to= 200s

Determine

a) the strain after 100's (before stress is reversed)

b) the residual strain when stress falls to zero.

Answer:

a)-60GPA

b) 0

Explanation:

Given t= 0,

σ = 20Mpa

Change in σ= 0.2Mpas^-1

For creep compliance material,

J(t) = Jo (1 - exp (-t/to))

J(t) = 3 (1 - exp (-0/100))= 3m^2/Gpa

a) t= 100s

E(t)= ΔσJ (t - Jo)

= 0.2 × 3 ( 100 - 200 )

= 0.6 (-100)

= - 60 GPA

Residual strain, σ= 0

E(t)= Jσ (Jo) ∫t (t - Jo) dt

3 × 0 × 200 ∫t (t - Jo) dt

E(t) = 0

5 0
3 years ago
When a planet's orbit takes it closest to the Sun, its called:________.
andriy [413]

Answer:

perihelion

Explanation:

The point at which a planet is closest to the sun is called perihelion. The farthest point is called aphelion

3 0
3 years ago
NEES HELP!!!!
OLga [1]

Answer:

Doppler Theory

Explanation:

it's a theory regarding the change in wave frequency during the relative motion between a wave source and its observer.

6 0
2 years ago
If you place a paper clip very close to a magnet, the paper clip
Alik [6]
The answer is “D. all of the above”!

Metal from the paper clip is attracted to the magnet, so it will naturally move toward and stick to the magnet. This will cause the paper clip to temporarily become a magnet for other metals. I hope this helped!
7 0
2 years ago
What are two examples of population distribution?
Alex777 [14]
Three basic types of population distribution within a regional range are (from top to bottom) uniform, random, and clumped.
7 0
3 years ago
Other questions:
  • Which one of the following is a balanced equation?
    5·1 answer
  • Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. How far will the foot
    7·2 answers
  • A student made the following observations about a squirrel’s movements:
    14·1 answer
  • Which constellation is marked by a W or M? a. Cassiopeia b. Draco c. Ursa Minor d. Ursa Major
    15·2 answers
  • Magnets use ---- to attract to some objects
    12·2 answers
  • If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?The rate w
    9·1 answer
  • Does mortality and fertility rates effect human population?
    8·2 answers
  • To teach you how to find the parameters characterizing an object in a circular orbit around a much heavier body like the earth.
    9·1 answer
  • What is the acceleration of a proton moving with a speed of 6.5 m/s at right angles to a magnetic field of 1.4 T?
    11·1 answer
  • —
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!