This is my physics homework 1
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Answers: 1
Physics, 22.06.2019 01:30
Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz
Answers: 3
Physics, 22.06.2019 10:30
Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?
Answers: 1
Physics, 22.06.2019 14:00
How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c
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Mathematics, 20.10.2019 15:30
Mathematics, 20.10.2019 15:30
History, 20.10.2019 15:30
Mathematics, 20.10.2019 15:30
History, 20.10.2019 15:30
Mathematics, 20.10.2019 15:30
Mathematics, 20.10.2019 15:30
Social Studies, 20.10.2019 15:30
Mathematics, 20.10.2019 15:30
Mathematics, 20.10.2019 15:30