Physics, 27.04.2021 20:50, Penelope9687

In 2-3 complete sentences, analyze how scientists know dark matter and dark energy exist.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:20, Spoilmom7231

Describe the path of the electric current through a circuit?

Answers: 1

continue

Physics, 21.06.2019 21:30, canyonrico05

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

Answers: 3

continue

Physics, 22.06.2019 09:30, gobbler80

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s. t.p.?

Answers: 2

continue

Physics, 22.06.2019 12:50, stephanie37766

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply

Answers: 1

continue

Do you know the correct answer?

In 2-3 complete sentences, analyze how scientists know dark matter and dark energy exist....