Physics, 19.08.2019 12:10 sharondacarruth1656
While a star is being observed through a telescope, the visible light coming from the star shifts from red to blue.
which is true about this star? i know for sure it's either b or c
a.
the shortening of wavelengths indicates that the star is moving away from earth.
b.
the lengthening of wavelengths indicates that the star is moving toward earth.
c.
the lengthening of wavelengths indicates that the star is moving away from earth.
d.
the shortening of wavelengths indicates that the star is moving toward earth.
Answers: 1
Physics, 22.06.2019 00:10
The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earthâs center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.
Answers: 2
Physics, 22.06.2019 05:50
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyerâs error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 2
Physics, 22.06.2019 06:50
Much of the information taught in earth-space science would not be available if it werenât for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.
Answers: 3
Physics, 22.06.2019 07:30
Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?
Answers: 1
While a star is being observed through a telescope, the visible light coming from the star shifts fr...
Biology, 19.05.2020 03:19
Mathematics, 19.05.2020 03:19
English, 19.05.2020 03:19
Social Studies, 19.05.2020 03:19
Mathematics, 19.05.2020 03:19
English, 19.05.2020 03:19
Chemistry, 19.05.2020 03:19
Physics, 19.05.2020 03:19