5. How would you calculate the difference in brightness between a magnitude of -3 (Star A) and a magnitude of +1 (Star B)? a. 2.512 X 2.512 X 2.512 b. 2.512 c. 2.512 X 2.512 d. 2.512 X 2.512 X 2.512 X 2.512 X 2.512 e. 2.512 X 2.512 X 2.512 X 2.512
Q: · Use greater than or less than symbols to compare:
A: Gravitational potential energy between earth and a body at a distance of r…
Q: 9. Depending how you organize the topics, there are at least 20 branches of Physics. Pick your…
A: Answer : The 20 branches of physics are- Optics, classical mechanics,…
Q: vert the delta network Into Star network.
A: To Convert the delta network into star network, following formula is applied :- R1=RbRcRa+Rb+Rc,…
Q: 13) Draw a diagram and explain near and far sightedness
A: Nearsightedness is a common vision problem in which the person can see nearby objects clearly, but…
Q: Use the fact that the speed of light in a vacuum is about 3.00 x 108 m/s to determine how many…
A: Speed, v = 3×108 m/sTime, t = 2.2 h = 2.2×60×60 s = 7,920 sDistance, s = ?
Q: What is wrong with the following problems? Explain in full sentences! 0x54x10x4 9) 0.54 x 10 Should…
A: The proper format for scientific notation is A×10b where A is a number or decimal number such that 1…
Q: Why don’t we see hydrogen Balmer lines in the spectra of stars with temperatures of 45,000 K? a.…
A: Hydrogen atoms are completely ionized in the atmosphere of the hottest starts.because the proton and…
Q: Where did the elements heavier than hydrogen and helium come from?
A: Hydrogen and helium emerged from the Big Bang about 13.8 billion years ago. Other elements were…
Q: 1- A star has a circumference of 62.8 million kilometers. Find its reduced circumference in meters.…
A: The circumference of the star = 62.8 million km 1 million = 1000000 1 km=1000 m Now we can write ,…
Q: Which of the following things have mass? a. Dark Energy. b. Photons. c. None of the…
A: Answer: (d) dark matter
Q: 2. What is the process that allows stars to produce light and heat energy? A. Nuclear fission B.…
A: Fusion is a nuclear process, where energy is produced by smashing together light atoms. It is the…
Q: What is the infinitesimal area vector in Cartesian coordinates. (There are six area vectors
A: Given data: In the given problem it is asked to find the infinitesimal area vector in cartesian…
Q: Which two spectral types were added to the spectral sequence after 1998? a. O and B b. Kand M c.…
A: Required : Which spectral types were added after 1998
Q: An object is moving a speed 8c/10, where c is the speed of light. Calculate gamma (γ).
A: Given: speed of the object, v = 8 c / 10. Where c = speed of light.
Q: 25) Recall that Hubble’s Law is given by V=HR; this means that H has units of inverse seconds…
A: A parsec is 3.26 light-years and the speed of light is 3 X 105 km/sec. Use 3.156 X 107 sec/yr.
Q: In most models for the early universe, which was the first force to have frozen out of the original…
A: Answer: (c) gravity
Q: frequency of a photon
A:
Q: Which of the following indicates the maximum number of entities that can be involved in a…
A: Minimum cardinality is the min. number of instances of an entity that can be associated(related…
Q: The 21-centimeter line of hydrogen is in the
A: We have to find in which part of spectrum, the 21-cantimeter line of hydrogen is situated.
Q: Estimate the observed wavelength for the 656 nm line in the spectrum of a star which is 100 million…
A: This problem can be solved using Doppler shift and Hubble's law.
Q: The Sun appears to be red as it sets because: 1. Air absorbs red light less than other frequencies…
A: Sun colour is comprises of seven colors. They are calles as VIBGYOR. V stands for violet. I stands…
Q: 2. State under which condition the following are nonzero a. (n,l,m[z\n',l',m') b. (n, l, m[x]n', l',…
A: Since the value in part (a),(b) and (c) is represented the average value of z , y and x . Actually…
Q: 19. In the diagram the correctly marked angles are а. Li and zr b. zrand Le Li and Le Zi, zr and ze…
A:
Q: Problum Set 1 Gus tious I. Griven the diogom below , auswer the following questious . 81= mc 82 82=…
A: Solution attached in the photo
Q: 2. Which of the following describes absolute zero? It is the temperature needed to create liquid…
A: Here, we will check each option one by one to find the correct answer - Option(1) - This option is…
Q: Calculate the distance of a star if the stellar spectrum indicates an absolute magnitude of -10.0,…
A: Given,Absolute magnitude, M =- 10Apparent magnitude, m = 5From magnitude distance formula,m -M = 5…
Q: 4. Which of the following constituents of the Universe is present in the highest fraction in terms…
A: Required- The constituents of the Universe is present in the highest fraction in terms of its…
Q: Here is a new twist on the question. Suppose we want to cool our hot coffee to 100 °F as quickly as…
A: Given that:Tnew=137.8°F (as found in 12)Value of k=0.125
Q: .The speed of light is 2.9979× 108m/s Convert this speed to miles per second. Express your answer…
A: Speed of light in m/s = 2.9979×108m/swe have to - Convert this speed to miles per second
Q: 5.An atom has a diameter of 3.5x10^-10m.What is the measurement in a.)cm and b.) nm 6.What is the…
A:
Q: Why is physics sometimes called the fundamental science?
A: Physics is also known as "the fundamental science" because it governs all branches of natural…
Q: 6) How many 60 Watt bulbs would it take to equal the luminosity of the Sun? a. 1000 b. 2.4 X 10^26…
A: Given value--- power of one bulb = 60 W. We have to find--- How many 60 Watt bulbs would it take…
Q: 5. The Luyten 762-8 star system contains two stars, one with apparent 12.5 and the other with m =…
A: Given : mVega =0 , m1 = 12.5 and m2 =12.9 Concept : mVega - m = 2.5 log(L/LVega)
Q: 4. Write the standard form. a) speed of light in a vacuum = 298 G8³ km/s b) One year light year = 16…
A: In standard form, a number is written in form of a×10n, where 1≤ a ≤ 10.
Q: 1. The sun is approximately 1.5x1011m from the Earth. About how long does it take for sunlight to…
A: Distance between sun and earth is given as s = 1.5×1011 mSince sunlight is an Electromagnetic wave…
Q: 8. Milky Way The Sun is a star in the Milky Way galaxy. When viewed from the side, the galaxy looks…
A: Diameter is Thickness is Note:Speed of light is Find:(a) The diameter and thickness in (b) The…
Q: 3. A radio station transmits radio waves that has a frequency (v) of 89.5 MHz (megahertz). (A) What…
A: Frequency of radiowaves is Note:Planck's constant is Find:(A) Wavelength of radio waves.(B) Energy…
Q: 1.Converting Angles a. Convert degrees to arcseconds: convert 45 degrees to arcseconds b. Convert…
A:
Q: A spherical rotor is initially in a state comprised of a linear combination of angular momentum…
A:
Q: A star's spectrum peaks at 500 nm. What is the surface temperature of the star? O a.5000 K О b.2000…
A:
Q: 1. What are the two most abundant elements found in stars?
A: Hydrogen and Helium are the two most abundant elements found in stars. Protons and neutrons fused to…
Q: 5. Does a mass transfer process have to involve heat transfer? Describe a process that involves both…
A:
5. How would you calculate the difference in brightness between a magnitude of -3 (Star A) and a magnitude of +1 (Star B)?
a. 2.512 X 2.512 X 2.512
b. 2.512
c. 2.512 X 2.512
d. 2.512 X 2.512 X 2.512 X 2.512 X 2.512
e. 2.512 X 2.512 X 2.512 X 2.512
Step by step
Solved in 2 steps
