The mass of 1 cubic meter of fresh water at the top of a 100 m hydroelectric dam is 1,000 kg and it has a potential energy of 980,000 N. At the bottom of the dam, the speed of the moving water is
a. 9,800 m/s. b. 1,960 m/s.
c. 44.3 m/s. d. 98 m/s.
c
Physics & Space Science
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In a given period, the element of which group has the highest ionization energy?
a. 2A b. 8A c. 7A d. 1A
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Which will NOT bend when moving in a magnetic field?
A) alpha particle B) beta particle C) gamma ray D) all bend the same
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Pluto is no longer classified as a planet; instead it is classified as a(n) ____________
Fill in the blank(s) with correct word
Physics & Space Science