1. The primary source of sound is vibration. This vibration has to travel through a medium, whether it's a gas, liquid, or solid. A sound wave with a higher energy will have what kind of intensity in relation to a sound wave of a lower energy?
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A. The intensity of a sound wave has nothing to do with the original energy

B. The sound wave with lower energy will have higher intensity
C. The sound wave with higher energy will have more intensity

D. The sound wave with higher energy will have lower intensity

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what you want to ask

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation: