Can someone pls help me in these questions
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![answer](/tpl/images/cats/otvet.png)
Answers: 3
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Physics, 21.06.2019 17:00, edwardp03418
Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?
Answers: 1
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 18:40, mckennacwilliams
Smallest intensity of a stimulus that you can detect 50 percent of the time is
Answers: 1
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![image](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 00:00, alexandria3498
Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?
Answers: 2
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