Which of the following is NOT included in the internal energy of a system?
A. the kinetic energy of the center of mass
B. the kinetic energy of the individual particles
C. the spring potential energy of the individual particles
D. the chemical energy of the individual particles
E. the nuclear energy of the individual particles
A. the kinetic energy of the center of mass
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If we could see our own galaxy from 2 million light-years away, it would appear
A) as a flattened disk with a central bulge and barred-spiral arms. B) as a faintly glowing band of light stretching all the way around the sky. C) to fill the sky with widely spaced stars. D) like a single, dim star.
In the experiment, m1 and m2 have the same value. How would the data change if m1 and m 2 were slightly different in value?
Is the scientific method a hypothesis? How do you know?
What will be an ideal response?
Refracting Telescope: The length of a telescope is 2.20 m and the focal length of the eyepiece is 1.9 cm. What is the focal length of the objective lens?
A. 41 cm B. 45 cm C. 111 cm D. 218 cm E. 16 cm