The fourth harmonic of a complex tone has a frequency of 600 Hz. What is the frequency of the tone?
150 Hz
Physics & Space Science
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Which of these are SI units?
a. centimeters b. newtons c. pounds d. seconds e. none of the above
Physics & Space Science
A diatomic molecule consists of two point masses, m1 and m2, separated by a distance r. If x is the distance from m1 to the center of mass, find the moment of inertia in terms of x about an axis parallel to the molecular axis through the center of mass
a. 0 b. m1x2 + m2(r ? x)2 c. m1m2 r2(m1m2) d. m1(r ? x)2 + m2x2 e. m1x2 + m2r2
Physics & Space Science
Objects can be charged by
a. induction. b. friction. c. touching. d. All of the above. e. None of the above.
Physics & Space Science
If 30 kJ of heat flows out of a system and 15 kJ of work is done by the system, then what is the change in internal energy?
A. 85 kJ B. 70 kJ C. 45 kJ D. 15 kJ E. 10 kJ
Physics & Space Science