Evaluate what the speed of the galaxy relative to the earth

Assignment Help Physics
Reference no: EM13676932

A distant galaxy emits light that has a wavelength of 453.8 nanometer. On earth, the wavelength of this light is measured to be 455.5 nanometer.

(a) Decide whether this galaxy is approaching or receding from the earth.

(b) Evaluate the speed of the galaxy relative to the earth. (Give your answer to 4 significant digits. Use 2.998 x 108 m/s as the speed of light).

Reference no: EM13676932

Questions Cloud

Find what the initial speed of the northward-moving vehicle : Two automobiles of identical mass approach an intersection. Find the initial speed of the northward-moving vehicle
What is their orbital period : What is their orbital period?
Find what is the greatest distance : Find what is the greatest distance at which these headlights can be resolved as separate points of light on a photograph taken with a camera whose aperture has a diameter of 10.5 millimeter
What is conical pendulum : What is conical pendulum? obtain and expression for its period?
Evaluate what the speed of the galaxy relative to the earth : A distant galaxy emits light that has a wavelength of 453.8 nanometer. Evaluate the speed of the galaxy relative to the earth
The speed of light to reach earth from this distance : The speed of light, to reach Earth from this distance?
What temperature will the two wires have the same resistance : A given copper wire has a resistance of 5.09 Ω at 20.0°C while a tungsten wire of the same diameter has a resistance of 4.73 Ω at 20.0°C. At what temperature will the two wires have the same resistance?
Calculate what is the maximum speed of the mass : A mass of 2.5 kilogram is attached to a spring that has a spring constant of 65 N/m. The mass is oscillating on a frictionless, horizontal surface. Evaluate what is the maximum speed of the mass
Obtain what angular frequency of rotation is needed : A generator is made from a set of 50 wire loops of radius 40 centimeter that turn in a uniform 0.0900 T magnetic field. Obtain what angular frequency of rotation is needed to supply a peak emf of 75.0 Volt

Reviews

Write a Review

Physics Questions & Answers

  Evaluate the weight of the heaviest bear

The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water

  Find the temperature at the end of the cycle

A 4.00 L sample of a diatomic ideal gas with specific heat ratio 1.40, confined to a cylinder, is carried through a closed cycle. Find the temperature at the end of the cycle

  Calculate gauge pressure in feeder pipe at this point

A drinking fountain projects water at an initial angle of 50 degrees above horizontal Water reaches maximum height of 0.150m above point of exit. Calculate gauge pressure in feeder pipe at this point

  Calculate the tension in the cord

In deep space two spheres each of radius 5.00 m are connected by a 3.00 x 10^2 m nonconducting cord. If a uniformly distributed charge of 35.0 mC resides on the surface of each sphere, calculate the tension in the cord.

  Q1 a steel paper clip is bent by a force of 102 n exerted

q1. a steel paper clip is bent by a force of 10.2 n exerted on it through a distance of 4.85 cm. by how much does

  Calculate the orbital frequency of the electron

In the Bohr model of the hydrogen atom the electron orbits the proton in a circular orbit. Calculate the orbital frequency of the electron

  Calculate what is the magnetic moment of the loop

A current of 17.0 mA passes through a circular cable of 2.0m of circumference. A magnetic field of 0.8T passes parallel to the plane of the "loop". calculate what is the magnetic moment of the loop

  Find the magnitude and direction of the owners velocity

A 26.2-kg dog is running northward at 2.21m/s, while a 5.30-kg cat is running eastward at 2.83 m/s. Their 67.2-kg owner has the similar momentum as the two pets taken together. Find the magnitude and direction of the owner's velocity.

  Find the vertical component of velocity just after launch

A 0.800 kg projectile is launched from the edge of a cliff with an initial kinetic energy of 1875 J and at its highest point is 211.2 m above the launch point. find the vertical component of its velocity just after launch

  Find how long does it take the stone to reach the ground

A hoodlum throws a stone vertically downward with an initial speed v0 from the roof of a building, a height h above the ground. How long does it take the stone to reach the ground

  What work is done on the system by its environment

the volume of an ideal gas changes from .40 to .56 cm3 although its pressure remains constant at 50000 Pa. what work is done on the system by its environment

  Estimate the net torque acting on the ladder

A 8.51 -m ladder with a mass of 21.8 kg lies flat on the ground. A painter grabs the top end of the ladder and pulls straight upward with a force of 245 N. What is the net torque acting on the ladder

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd