How long does it take for light from a star that is 8 light-years away to reach earth?

A.

8 earth minutes

B.

16 earth minutes

C.

8 earth years

D.

16 earth years

Which type of electronic exchange connects buyers with sellers within a specific industry?

Imagine that you know the mass of a nearby star and you know that there is a planet orbiting around the star with a mass much smaller than the mass of the star.

Show the moment of force is dimensionally equivalent to work

Explain the difference between science usage and common usage for the term resistance

A hard material is easily scratched. True False

Difference between Heterozygous and homozygous?

A wave has a speed of 50 m/s and a frequency of 10 Hz. Calculate its wavelength.

A conservative force acts on a particle. We can conclude: A. The work done by the force on the particle depends only on initial and final position. B. The force must be constant. C. The particle cannot change direction. D.

Which action is caused by gravity? a frost wedging b aeolian bands c mass wasting d glaciation

A light beam is directed parallel to the axis of a hollow cylindrical tube. When the tube contains only air, the light takes 8.72 ns to travel the length of the tube, but when the tube is filled with a transparent jelly, the light takes 1.