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An electron-volt is a unit of _________. orbital velocity mass energy momentum
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Updated 7/10/2012 7:28:19 AM
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An electron-volt is a unit of energy.
Added 7/10/2012 7:28:19 AM
Rated good by Giana
When high-energy electrons strike the anode in a cathode-ray tube, (plasma isX-rays) are produced.
Weegy: I have read your statement, can you please tell me the question involved? User: physics Weegy: I need your question, you have prodived a statement. (More)
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Asked 7/10/2012 7:13:03 AM
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An object on the earth's surface weighs 360 pounds. Calculate the object's weight at three earth radii from the earth's center. _______ lb. no change 120 40. 3240
Weegy: 63.5 kilograms. User: One-eighth of an original radioactive sample will remain at the end of __________ half-lives. 3 4 8 16 User: Calculate the kinetic energy of a 40 kg cart traveling 10 m/s. K.E. = _______ Joules 400 4000 200 2000 Weegy: 2000 (More)
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Asked 7/10/2012 7:16:09 AM
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As current flows through a series circuit, it is diminished by the work it performs in the resistance(s). True False User: Isotopes of an element differ in their number of protons. True False User: Sound waves have a longitudinal wave form. True False
Weegy: Longitudinal waves, also known as "l-waves", are waves that have the same direction of vibration as their direction of travel User: A circuit that provides a single path for current is a series circuit. True False User: J.J. Thompson experimented with cathode rays and how they traveled through various gases, through his experiments he discovered: electrons neutrons protons nucleons User: Another term for magnetic pole is electric charge. True False User: Resistance of a conductor is directly proportional to the conductor's length. True False Weegy: True. The resistance of a conductor is directly proportional to the conductor's length. See: User: The emission of electrons from a metal in the photoelectric effect begins when the threshold frequency of the metal is exceeded by the frequency of the incident light. True False User: Electromagnetic waves (such as light, gamma rays, microwaves, etc.) exhibit a longitudinal wave form. True False User: A stream of negatively charged particles is called: alpha radiation gamma radiation a cathode ray an X-ray User: The effectiveness of an optical lens is attributed to: diffraction reflection refraction interference User: Efficiency of a machine is a ratio of its work output to its work input. True False User: Particles in the nucleus of an atom are collectively called: electrons nucleons protons neutrons Weegy: last one is the right answer. The particles of a gas are actually atoms or molecules User: In a series circuit, the current drops across each resistance. True False User: The energy that holds a nucleus together is called: binding energy atomic energy mass defect threshold energy User: The change in displacement with respect to time is acceleration. True False User: Which of the following scientists developed the atomic theory of matter?: John Dalton Marie Curie Neils Bohr Ernest Rutherford User: The cause of change in momentum is: change in ... (More)
Question
Updated 70 days ago|1/19/2015 11:48:56 PM
14 Answers/Comments
Particles in the nucleus of an atom are collectively called nucleons.
Added 70 days ago|1/19/2015 11:28:58 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Andrew. [1/20/2015 1:34:31 AM]
In a series circuit, the current drops across each resistance. FALSE.
Added 70 days ago|1/19/2015 11:30:03 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Andrew. [1/20/2015 1:35:14 AM]
The change in displacement with respect to time is acceleration. FALSE.
Added 70 days ago|1/19/2015 11:45:04 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Andrew. [1/20/2015 1:36:44 AM]
John Dalton developed the atomic theory of matter.
Added 70 days ago|1/19/2015 11:47:50 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Andrew. [1/20/2015 1:37:37 AM]
The cause of change in momentum is: impulse.
Added 70 days ago|1/19/2015 11:48:56 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Andrew. [1/20/2015 1:38:47 AM]
The World Health Organization, an agency of _____, is responsible for making sure people attain the highest level of health. a.the League of Nations b.the United Nations c.NATO d.the Red Cross
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Updated 5 days ago|3/26/2015 3:37:02 AM
1 Answer/Comment
The World Health Organization, an agency of the United Nations, is responsible for making sure people attain the highest level of health.
Added 5 days ago|3/26/2015 3:37:02 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [3/26/2015 3:54:05 AM]
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