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
monitta
3 years ago
8

The spectral lines of two stars in a particular eclipsing binary system shift back and forth with a period of 3 months. The line

s of both stars shift by equal amounts, and the amount of the Doppler shift indicates that each star has an orbital speed of 88,000 m/s. What are the masses of the two stars
Physics
1 answer:
Sladkaya [172]3 years ago
6 0

Answer:

Explanation:

given

T = 3months = 7.9 × 10⁶s

orbital speed = 88 × 10³m/s

V= 2πr÷T

∴ r = (V×T) ÷ 2π

r = (88km × 7.9 × 10⁶s) ÷ 2π

r = 1.10 × 10⁸km

using kepler's 3rd law

mass of both stars = (seperation diatance)³/(orbital speed)²

M₁ + M₂ = (2r)³/(\frac{1}{4}year)²

= (1.06 × 10²⁵)/(6.2×10¹³)

1.71×10¹²kg

since M₁ = M₂ =1.71×10¹²kg ÷ 2

M₁ = M₂ = 8.55×10¹¹kg

You might be interested in
Gravity is a <br><br> A.pushing force<br> B. not a force at all<br> C. pulling force
melamori03 [73]

Answer:

C

Explanation:

gravity is a pulling force according to Newton

4 0
3 years ago
Convection currents in air and water occur because _
Diano4ka-milaya [45]

warm fluids are less dense than cold fluids

7 0
3 years ago
La masa de un camión es de
Nutka1998 [239]

Answer:

45000 kg and 45 tons  

Explanation:

The expression in kilograms and tons is shown below;

As we know that

1 gr is 0.001 kg

So, 45000000 = 45,000 kg

And,

1 kg = 0.001 tons  

So, 45000 kg = 45 tons    

Therefore the same would be considered

7 0
3 years ago
6. The bat hits a ball. What is the
lana [24]

Answer:

The ball hits the bat

Explanation:

.......

7 0
3 years ago
If the half life of an isotope is 20 years, how much of the original amount will
Feliz [49]

Answer:

Half

Explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • Which particle is used as a beam to treat cancer? electron neutron proton
    8·2 answers
  • A ray diagram without the produced image is shown.
    7·2 answers
  • How many suns do you think are in our galaxy? Explain your answer PLS HELP ASP BEST GETS BRAINLIEST​
    8·1 answer
  • A 616 g block is released from rest at height h0 above a vertical spring with spring constant k = 540 n/m and negligible mass. t
    14·1 answer
  • Find the mass. 10 points. Will give brainliest.
    8·2 answers
  • What is the temperature outside of a tree?
    6·1 answer
  • What is the kinetic energy of a 478 kg object that is moving with the speed of 15 m/s
    11·1 answer
  • Excessive washing of the skin disrupts the natural growth of bacteria on the skin's surface, increasing the
    8·2 answers
  • Evelyn meets her friends at a local restaurant 5 km away. Afterwards she stops at the post office which is another 3 km away, bu
    11·1 answer
  • Edwin Hubble discovered that:
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!