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
kati45 [8]
3 years ago
9

Quasars are thought to be the nuclei of active galaxies in the early stages of their formation. A typical quasar radiates energy

at the rate of 1040 W. At what rate is the mass of this quasar being reduced to supply this energy? Express your answer in solar mass units per year, where one solar mass unit (1 smu = 2.0 ✕ 1030 kg) is the mass of our Sun.

Physics
1 answer:
uranmaximum [27]3 years ago
6 0

Answer:

1.7531 smu/yn

Explanation:

check the attached file below for answer and explanation.

You might be interested in
Two sound waves are traveling through the same medium. They have the same amplitude, wavelength, and direction of travel. If the
Sloan [31]

Answer:

Constructive interference

Explanation:

Here, the medium is same, same wavelength, same frequency, same amplitude and same direction of propagation.

Let the intensity of waves be I which is same for both

The formula for the net intensity is

I^{2}=I_{1}^{2}+I_{2}^{2}+2I_{1}I_{2}Cos\phi

where, Ф be the phase difference

So, I_{R}^{2}=I^{2}+I^{2}+2IICos6\pi

Here, IR is maximum so the interference is constructive in nature.

7 0
3 years ago
We want to construct a solenoid with a resistance of 4.30 Ω and generate a magnetic field of 3.70 × 10−2 T at its center when ap
marshall27 [118]

Answer with Explanation:

We are given that

Resistance of solenoid,R=4.3 ohm

Magnetic field,B=3.7\times 10^{-2} T

Current,I=4.6 A

Diameter of wire,d=0.5 mm=0.5\times 10^{-3} m

Radius of wire,r=\frac{d}{2}=\frac{0.5\times 10^{-3}}{2}=0.25\times 10^{-3} m

1mm=10^{-3} m

Radius of solenoid,r'=1 cm=1\times 10^{-2} m

1 cm=10^{-2} m

Resistivity of copper,\rho=1.68\times 10^{-8}\Omega m

We know that

R=\frac{\rho l}{A}

Where A=\pi r^2

Using the formula

4.3=\frac{1.68\times 10^{-8}\times l}{\pi(0.25\times 10^{-3})^2}

l=\frac{4.3\times \pi(0.25\times 10^{-3})^2}{1.68\times 10^{-8}}=50.23 m

Number of turns of wire=\frac{l}{2\pi r'}

Number of turns of wire=\frac{50.26}{2\pi(1\times 10^{-2}}=800

Hence, the number of turns of the  solenoid,N=799

Magnetic field in solenoid,B=\mu_0 nI

3.7\times 10^{-2}=4\pi\times 10^{-7} n\times 4.6

n=\frac{3.7\times 10^{-2}}{4\times 3.14\times 10^{-7}\times 4.6}

n=6404 turns/m

n=\frac{N}{L}

L=\frac{N}{n}

L=\frac{799}{6404}

L=0.125 m=0.125\times 100=12.5 cm

Length of solenoid=12.5 cm

1m=100 cm

8 0
3 years ago
Does sunlight really take 8 minutes to reach your eyes?
Brums [2.3K]
It takes sunlight 8 minutes to reach earth , so yes
3 0
3 years ago
Read 2 more answers
How is NASA a catalyst to make the crew work better?
spin [16.1K]

Answer:

with teamwork

Explanation:

you need to use team work so the right answer is C

7 0
3 years ago
Differentiate scalar & vector quantity?
Keith_Richards [23]
\textbf{Hello Friend}


Scalar Quantity :-

→ These are the quantities with magnitude only . These quantities doesn't have to be mentioned with direction

eg.)=> Mass , Temprature .



Vector Quantity :-

→ These quantities are described with both Magnitude and Direction . These quantities follow special type of algebra called Vector algebra .


eg.)=> Force , Displacement






_______________________________



Hope It Helps You. ☺
5 0
3 years ago
Other questions:
  • Before the cells in a person's body can use the food that the person eats, the food must be A. chemically broken down into sugar
    9·2 answers
  • I NEED HELP RIGHT NOW PLEASE I will  30pts and A brainly to anyone who helps me with questions 2-13!!!!!!!
    9·2 answers
  • Small-plane pilots regularly compete in "message drop" competitions, dropping heavy weights (for which air resistance can be ign
    5·1 answer
  • In a skating stunt known as "crack-the-whip," a number of skaters hold hands and form a straight line. They try to skate so that
    14·1 answer
  • 10. At point A, a runner is jogging 5 m/s. Forty seconds later, at point B
    13·1 answer
  • If humans cannot see ultraviolet waves how can ultraviolet light be used to gather evidence of a crime
    10·2 answers
  • Protective equipment and protective measures help keep all types of workers safe on the job.
    7·2 answers
  • What happens when an electrically charged balloon is placed close to an uncharged soda can?
    8·2 answers
  • Identify two main ideas about the normal force.
    9·1 answer
  • An installation consists of a 30-kVA, 3-phase transformer, a 480-volt primary, and a 240-volt secondary. Calculate the largest s
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!