Physics, 21.01.2021 02:40 Knownothing

Uri looks through a telescope for two stars. He knows that both stars have the same absolute brightness and that the second star is twice as far from Earth as the first star. How bright will the second star appear compared to the first star? SC.8.E.5.5 A. It will appear brighter than the first star.
B. It will appear dimmer than the first star.
C. It will appear as bright as the first star.
D. It will appear redder then the first star.

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 01:00, jayycruz59

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

Answers: 2

continue

Physics, 22.06.2019 01:40, sasalinas2001

In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.

Answers: 1

continue

Physics, 22.06.2019 06:50, saltytaetae

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl, max are applied?

Answers: 1

continue

Physics, 22.06.2019 14:20, kaylaelaine18

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus

Answers: 2

continue

You know the right answer?

Uri looks through a telescope for two stars. He knows that both stars have the same absolute brightn...