A star is observed to move away from us at a speed of 2.8km/s. How far is the star ? Express your answer in light years. And the answer is NOT 1.24
Q: A star is observed to move away from us at a speed of 2.9km/s. How far is the star ? Express your…
A:
Q: Quasars are faint, distant sources of radio waves. (Quasar is short for "quasi-stellar source." They…
A: Given: The rate at which the quasar radiates energy is 1040 W. Power is equal to P=Et where E is…
Q: lighthouse sweeps its beam of light around in a circle once every 7.6 s. To an observer in a…
A: Given, Time interval, ∆t=7.6s ∆t'=16s
Q: The speed of light is 2.998*10^8 m/s. How far does light travel in 6.0 μs? Set the math up. But…
A: Given , speed of light , c= 2.998*108 m/s time , t =…
Q: The special theory of relativity has what effect on measurements done today? (a) None whatsoever,…
A: Given: The effect of measurements on the special theory of relativity.
Q: The Schwarzschild radius, RS, of a black hole depends on its mass m, the speed of light c, and the…
A: Let's take the gravitational constant G=m3kg×s2 and try to get rid of m2 in the numerator and kg×s2…
Q: The Schwarzschild radius RBH for an object of mass M is defined as RBH = 2GM c² where c is the speed…
A:
Q: A particle has a mass of 3.4E-28kg is propagating at relativistic speeds and has an energy of…
A:
Q: A spaceship is moving away from Earth at 0.892c when it fires a small rocket in the forward…
A:
Q: Rigel, which is in the constellation of Orion, is 770 ly away. You plan a sight-seeing vacation for…
A: Given d = 770 ly Light year (ly) is definined as distance travelled by light in a year . Speed of…
Q: 25. The farthest objects in our universe are quasars. What is the distance of a quasar from which…
A:
Q: Proxima Centauri, the closest star to our Solar System, is still at an average distance of…
A: The time taken by the light to reach the Earth from Proxima Centauri is given by,…
Q: Galaxy B moves away from galaxy A at 0.5010.501 times the speed of light. Galaxy C moves away from…
A:
Q: A parsec is a unit of length equal to about 3.10X1013 km. How long will it take light, moving at…
A: Given, Distance travel = 1 Parsec Speed of light = 3×108 m/s We need to calculate, Time taken =?
Q: Galaxies at the furthest reaches of the universe are moving away from us at speeds greater than…
A: About speed of light .
Q: A proton travels at 99.9936% of the speed of light. An antiproton travels in the opposite direction…
A: Given data: The speed of proton is vp=99.9936%c. The speed of antiproton is vap=99.9936%c.
Q: I understand that x=vt is the equation we use for this problem ,but I don't why the answer would be…
A: Consider the figure given below
Q: a rocket ship traveling near the speed of light appears to a stationary observer to shorten with…
A: Rocket with a length of L0= 200 meters. Rocket is A traveling at a speed of 99% of the speed of…
Q: Suppose two inertial observers are each moving with the speed of light in the opposite directions.…
A:
Q: The highest-energy cosmic ray ever detected had an energy of about 3.0 x 1020 eV. Assume that this…
A: Given: The energy is 3.0×1020 eV.
Q: A spaceship is moving away from Earth at 0.842c when it fires a small rocket in the forward…
A: Spaceship is moving away from earth at speed u=.842cSmall rocket move forward with speed relative to…
Q: Q 2 Within a certain distance of a black hole, not even light can escape. This distance is called…
A: According to the question the black hole has same mass as the sun Mb = 2.0 x 1030kg since the…
Q: A railroad flatcar is traveling to the right at a speed of 13.0 m/sm/s relative to an observer…
A:
Q: How long does it take (in seconds) for light to travel from the Sun to Saturn if the Sun is roughly…
A: Given data: Distance (d) = 1.5×109 km Speed of light (v) = 3×108 m/s Required: Time (t)
Q: A meter stick moves past you, with its motion relative to you parallel to its long axis. If you…
A:
Q: Ingii is craft is 20.0 m long and that the identically constructed craft you are sitting s 19.0 m…
A: Given:- A friend passes by you in a spacecraft traveling at a high speed. He tells you thathis craft…
Q: A particle has a mass of 1.6E-27kg and a momentum of 2.2E-18 kg.m/s. What is the speed of the…
A: Given: Mass of particle(m) = 1.6×10-27 kg Momentum of particle(p) = 2.2×10-18 kg.m/s
Q: A star is 80 light years from Earth. How fast does a spacecraft have to be for the journey to last…
A: The objective of the question is to find out the speed of a spacecraft that would allow an astronaut…
Q: A particle has γ=18,399. a) Calculate c-v in m/s. (I would have asked for 1 - v/c, making the…
A: Given: a) γ=18,399 b) momentum, P = 1,739 MeV/c
Q: 1. Voyager rocket is traveling between Earth and Jupiter (distance 8.013x1010 m). If Voyager probe…
A: FGgg
Q: Millennium Falcon is approximately
A:
Q: The speed of light is 2.998*10^8 m/s. How far does light travel in 7.0 μs ? Set the math up. But…
A: Given data The speed of the light is given as v = 2.998 x 108 m/s. The time interval is given as t…
Q: What is the speed of light (c=3.0∗10^8m/s) in kilometers per hour?
A:
Q: 17. The distance from earth to the nearest star is about 4 x 1016 meters. How long would it take a…
A: Write the distance between the earth and the nearest star. s=4×1016 m Write the speed of the…
Q: An alpha particle is the nucleus of a He-4 atom and has a rest mass of 3727.38 MeV/c2. How much…
A: The relativistic kinetic energy of the particle is given by Where mo = rest mass of particle, c =…
Q: If you were traveling away from a planet at 99% the speed of light, and turned on a flash light…
A: A flash light is turned on by observer moving at speed 0.99 c
Q: The Millennium Falcon is approximately 35.2 m long. There are conflicting reports, but the Falcon…
A: Length of Falcon = 35.2 m The Falcon made the kessel run in approximately 12.27 parsecs Velocity of…
Q: 11. A star is 40.0 light-years from Earth (1 light-year is the distance that light travels in 1…
A: (a) To calculate the distance you would measure when traveling to the star at a high speed, we need…
Q: One year (yr) is 365.24 days. One light-year (lyr) is 9.467 × 10^15 m. Convert the speed of light…
A: Given information: The number of days in a year (yr) = 365.24 The speed of light (c) = 3 ×108 m/s…
Q: A spacecraft moves at a constant speed between Earth and the center of the Milky Way, 26,000 light…
A: The objective of the question is to find the speed of the spacecraft in terms of the speed of light…
Q: The distnace from earth to the moon is 239,000 miles. a. how many kilometers are in 239000 miles?…
A: a. The distance in kilometer is, d=239000 miles1.60934 km1 mile=384632.26 km b. The time taken by…
Q: Preparations are under way for a spacecraft visit to the Alpha Centauri star system, 4.30 lightyears…
A:
Q: How long does it take (in seconds) for light to travel from the Sun to Saturn if the Sun is roughly…
A: The speed of an object is given by v = dt, where d = the distance travelled by the object t = time…
Q: The star Alpha Centauri is 4.367 light years from earth. What velocity do you need to travel at to…
A: The distance of Alpha centauri from earth is 4.367 light years1 light year=9.461×1015 m4.367 light…
Q: a) Suppose you decide to travel to a star 66 light-years away at a speed that tells you the distance…
A: a) Write the expression for the length contraction and substitute the required values.
Q: What is the speed of a car going v=1.000mphv=1.000mph in SI units? Notice that you will need to…
A:
A star is observed to move away from us at a speed of 2.8km/s.
How far is the star ? Express your answer in light years.
And the answer is NOT 1.24
Trending now
This is a popular solution!
Step by step
Solved in 2 steps