The light-gathering power of a telescope increases as the size of the objective increases
a. True
b. False
Indicate whether the statement is true or false
True
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The temperature on an Oswego, New York "warm" spring day has a maximum of 64°F and a minimum of 30°F. What is the number of heating degree days?
a. 18 b.30 c. 34 d. 47 e. 64
Standing Sound Waves: One of the harmonics of a column of air in a tube that is open at one end and closed at the other has a frequency of 448 Hz, and the next higher harmonic has a frequency of 576 Hz. What is the fundamental frequency of the air column in this tube?
A. 32 Hz B. 64 Hz C. 88 Hz D. 128 Hz E. 256 Hz
A solid sphere, a solid cylinder, a spherical shell, and a hoop all have the same mass and radius. Each are rolling on a horizontal surface with the same center of mass speed, and then they roll up identical inclines. Which one goes the greatest distance up its incline?
a. the hoop b. the solid sphere c. the spherical shell d. the cylinder e. They all go the same distance up their inclines.
The units of momentum are
A. ML/T.
B. M/T.
C. 
D. 
E. 