Electrons are BLANK
not Blank
-lonic Bond...
Answers: 3
Physics, 23.06.2019 02:30
Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
Physics, 23.06.2019 09:30
Which statements identify what astronomers currently know and think will happen with our universe? check all that apply. the big bang produced dark energy, which accounts for some of the energy needed to expand the universe. the vastness of space may contain a type of matter known as "dark matter." the universe is currently shrinking at a rapid rate. the universe is currently expanding at an accelerating rate. the big bang theory explains all the energy and matter discovered by scientists.
Answers: 2
Physics, 23.06.2019 11:10
How does an insulator stop the flow of an electric current? insulators convert electric energy to other forms of energy
Answers: 1
Physics, 23.06.2019 13:30
What is the acceleration rate of an object if the amount of force applied on the object is 75 newtons and the object has a mass of 15 kilogram?
Answers: 1
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