Physics, 12.07.2019 01:00 toxsicity

Which discovery by astronomer vera rubin prove the existence of dark matter? galaxies exist outside of the milky way. the expansion of the universe is accelerating. galaxies spin faster than they should, based on their visible matter. gas giants form farther from the sun, where temperatures are cooler.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 17:10, jenkuehn9220

An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r

Answers: 2

continue

Physics, 22.06.2019 09:00, jaeana

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Answers: 1

continue

Physics, 22.06.2019 10:30, tay8556

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.

Answers: 1

continue

Physics, 22.06.2019 15:50, shaylawymannnnn

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

Answers: 3

continue

You know the right answer?

Which discovery by astronomer vera rubin prove the existence of dark matter? galaxies exist outsid...