A box moved 2 meters down a factory conveyor belt at a constant velocity. It moved that distance in 0.1 minutes. What was the box's velocity?
Write your answer as a whole number.
meters per minute down the conveyor belt
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The answer is: c. from underground

Jenny and fred both play a long note on their trombones. a stationary observer hears the sound increasing and decreasing repeatedly in loudness. which of these must be true? the sound waves from the two trombones have slightly different frequencies.the sound waves from the two trombones have the same frequency.the sound waves from the two trombones have slightly different amplitudes.the sound waves from the two trombones have the same wavelength.the sound waves from the two trombones have slightly different velocities.  lolthe answer is          the sound waves from the two trombones have slightly different frequencies.