subject
Physics, 25.03.2020 17:04 rorofhs2009

Over a human lifetime, why don't we easily notice a change in the position of a particular star? A its far away B it moves too slowly C it emits a small amount of energy D it reflects a large amount of energy

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 02:00
An object has a weight of 500 on earth what is the mass of this object
Answers: 1
question
Physics, 22.06.2019 11:00
Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
Answers: 2
question
Physics, 23.06.2019 02:30
If a car has a speed of 20 m/s, how long will it take to go 155 m? a. 3100 s b. 135 s c. 2.1 s d. 7.8 s
Answers: 1
question
Physics, 23.06.2019 02:40
The two metal spheres in the figure are connected by a metal wire with w switch in the middle. initially the switch is open. sphere 1, with the larger radius, i'd given a positive charge. sphere 2, with the smaller radius, is neutral. then the switch is closed. afterward, sphere 1 has charge q1, is at potential v1 and the electric field strength at its surface is e1. the values for sphere 2 are q2, v2, and e2. a. is v1 < ,> , or = to v2? explain. b. is q2 < , > , or = explain? c. is e1 < ,> ,or = to e2? explain?
Answers: 1
You know the right answer?
Over a human lifetime, why don't we easily notice a change in the position of a particular star? A i...
Questions
question
Mathematics, 15.01.2020 14:31
question
English, 15.01.2020 14:31
Questions on the website: 13722363