An automobile tire has a volume of 0.0185 m3. If the pressure in the tire is 500 kPa and the temperature is 298 K, how many molecules are there inside the tire?
A) 2.25 × 1023
B) 2.25 × 1024
C) 3.25 × 1023
D) 3.25 × 1024
E) 3.25 × 1025
B
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Two loudspeakers placed 6.0 m apart are driven in phase by an audio oscillator whose frequency range is to A point P is located from one loudspeaker and 3.6 m from the other
The speed of sound is 344 m/s. The frequency produced by the oscillator, for which constructive interference of sound occurs at point P, is closest to A) 2580 Hz. B) 2903 Hz. C) 2473 Hz. D) 2795 Hz. E) 2688 Hz.
Consider light energy that is momentarily absorbed in glass and then re-emitted. Compared to the absorbed light, the frequency of the re-emitted light is
A) considerably less. B) slightly less. C) the same. D) slightly more. E) considerably more.
A person looking through eyeglasses sees __________ images
Fill in the blank(s) with correct word
Conversion of Units: If you are 5'10'' tall, what is your height in meters? (2.54 cm = 1.00 in.)
A. 1.5 m B. 1.6 m C. 1.7 m D. 1.8 m