In order to jump off the floor, the floor must exert a force on you
A. in the direction of and equal to your weight.
B. opposite to and equal to your weight.
C. in the direction of and less than your weight.
D. opposite to and less than your weight.
E. opposite to and greater than your weight.
Answer: E
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Resonance in a series LRC circuit occurs when
A) XL is greater than XC. B) XC is greater than XL. C) (XL - XC)2 is greater than R2. D) (XL - XC)2 is equal to R2. E) XC equals XL.
All multicellular organisms are
A) Bacteria B) Prokaryotes C) Archaea D) Eukarya
Which of the following does the intensity of synchrotron radiation NOT depend on?
A) mass of the electron B) temperature C) speed of electrons D) frequency of radiation E) strength of the magnetic field
When a negative charge is released and moves along an electric field line, it moves to a position of
a. lower potential and lower potential energy. b. lower potential and higher potential energy. c. higher potential and lower potential energy. d. higher potential and higher potential energy. e. decreasing magnitude of the electric field.