Transverse waves are traveling on a 1.00-m long piano string at 500 m/s. If the points of zero vibration occur at one-half wavelength (where the string is fastened at both ends), find the frequency of vibration
a. 250 Hz
b. 500 Hz
c. 1 000 Hz
d. 2 000 Hz
e. 2 500 Hz
A
Physics & Space Science
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A torque of 2.00 N•m is applied to a 10.0 kg object to give it an angular acceleration. If the angular acceleration is 1.75 
then the moment of inertia is
A. 1.95 kg 
B. 1.05
C. 1.14
D. 1.20
E. 1.35
Physics & Space Science
Heat a copper wire and its electric resistance
A) decreases. B) remains unchanged. C) increases.
Physics & Space Science
Which of the following is not a major influence on atmospheric circulation?
A) the Coriolis force B) the unequal solar heating of Earth C) the distribution of continents and oceans D) the major topographic features on the continents E) the local variations in gravitational acceleration
Physics & Space Science
The energy level diagram for hydrogen
The ionization energy of hydrogen is 13.6 eV.
a.
True
b.
False
Physics & Space Science