reloads the page with new variable values in all questions. You must do this after grading the test to rework it another time.
Make sure to enter your answers in the specified units .
A particular mechanical wave takes 0.037 seconds to travel
A sound wave moves at 335 m/sec and has a frequency of
A ray of light strikes a reflecting surface. If the angle between the ray and the surface is
A ray of light strikes a reflecting surface. The ray makes an angle of
How long (in seconds) will it take to generate one vibration of a wave having a frequency of
Once you have submitted your answers for grading by clicking the grade button, you
cannot resubmit answers
for the same Problem Set--you must use the 'New Problems' button first.
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