How many years would it take to cross the milky way

Assignment Help Physics
Reference no: EM13664568

The Milky Way has a diameter (proper length) of about 1.2×105 light-years. According to an astronaut, how many years would it take to cross the Milky Way if the speed of the spacecraft is 0.890 c?

Reference no: EM13664568

Questions Cloud

Some temperature at which mercury will totally fill beaker : A Pyrex beaker that has a capacity of 1000cm3 at 20!C contains 990cm3 of mercury at that temperature. Is there some temperature at which the mercury will totally fill the beaker? Justify your answer (i.e., show this mathematically). Suppose that no m..
Two rectangular blocks are stacked on a table : Two rectangular blocks are stacked on a table. The lower block has a mass of 38.6 kg and upper block has a mass of 3.40 kg. The coefficient of kinetic friction among the lower block and the table is 0.260. The coefficient of static friction among the..
What is the refractive power of a magnifying glass : A stamp collector is viewing a stamp by a magnifying glass held next to her eye. Her near point is 25 cm from her eye. What is the refractive power of a magnifying glass that has an angular magnification of 6.0 when the image of the stamp is located ..
What is real elevation angle of the sun above the horizon : An underwater scuba diver sees the Sun at an apparent angle of 48.0° above the horizon. What is the real elevation angle of the Sun above the horizon?
How many years would it take to cross the milky way : The Milky Way has a diameter (proper length) of about 1.2×105 light-years. According to an astronaut, how many years would it take to cross the Milky Way if the speed of the spacecraft is 0.890 c?
Headlights on a certain car are gauged : The headlights on a certain car are gauged to be 1.1 m apart. The diameter of the pupil in a human eye is 2.5 mm. What is the FURTHEST DISTANCE at which a human eye could clearly see the headlights as 2 separate lights? Utilize a wavelength of 617 nm..
A laser utilized in eye surgery emits : A laser utilized in eye surgery emits a 3.44 mJ pulse in1.19 ns, focused to a spot 31.5 um in diameter on the retina. Compute (in SI units) the power per unit area at the retina.(This quantity is called the irradiance.)
Discover the resistance of each resistor : Three identical resistors are linked in parallel. The equivalent resistance increases by 700 Ω when one resistor is connected and removed in series with the remaining two, which are still in parallel. Discover the resistance of each resistor.
What is the voltage among the ends of the copper rod : Two cylindrical rods one copper and the other iron are identical in lengths and cross-sectional areas. They are joined, end to end to form one long rod. A 12-V battery is linked across the free ends of the copper-iron rod. What is the voltage among t..

Reviews

Write a Review

Physics Questions & Answers

  What is the total charge on the rod

A small glass bead charged to 6.9nC is in the plane that bisects a thin, uniformly charged, 10-cm-long glass rod, What is the total charge on the rod

  Describe an experiment to measure the molecular weight

Describe an experiment to measure the molecular weight Mw and the second viral coefficient B of a macromolecules in solution using osmotic pressur. Show how you would plot the experimental data.

  How much power must the runner produce during the

a 60kg sprinter starts from rest and reaches a speed of 8.5ms in 1.8s. during this time there is negligible air

  Using energy methods find the magnitude and direction of

a variable capacitor consists of two thin coaxial metal cylinders of radii a and b with b-altlta free to move with

  Estimate what average power was developed

A shot-putter accelerates a 7.3 kg shot from rest to 14 m/s. If this motion takes 2.0 s, what average power was developed

  What is the minimum diameter of the camera lens

If a camera with a 60 mm lens is to resolve two objects that are 3.0 mm from each other and both objects are 4.0 m from the camera lens, what is the minimum diameter of the camera lens

  A 170-g piece of styrofoam carries a net charge of -075

a 17.0-g piece of styrofoam carries a net charge of -0.75 microc and is suspended in equilibrium above the center of a

  Magnitude of the centripetal acceleration that blade

Each of the space shuttle's main engines is fed liquid hydrogen by a high-pressure pump. Turbine blades inside the pump rotate at 469 rev/s. A point on one of the blades traces out a circle with a radius of 0.639 m as the blade rotates. What is the m..

  What is the kinetic energy of each of the muons

An electron and a positron (an antielectron) make a head-on collision, each moving at v=0.99999c. What is the kinetic energy of each of the muons

  Light of wavelength 679 nm is incident on a single slit

light of wavelength 679 nm is incident on a single slit. the central bright fringe is 2.75 cm wide on a flat screen

  Obtain the kinetic energy of this particle

A 0.500 kg particle moving along a straight line with a position vector given by r = (-2.00t2 - t) i(hat) + 5.00 j(hat), with r in meters, Obtain the kinetic energy of this particle

  What is the speed of propagation of the wave

An electromagnetic wave with frequency 56.0 Hz travels in an insulating magnetic material that has dielectric constant 3.72, What is the speed of propagation of the wave

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