As the boys set out to search for the Beast, Simon takes a moment to think. He realizes that...

A)he should side with Jack rather than Ralph since Jack is the stronger of the two.

B)Piggy is quite helpless.

C)the creature that has claws, sits atop a mountain, and leaves no tracks, but could not catch Samneric, is quite implausible.

D)Ralph is the reason the boys are stuck on the island.

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explanation:

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: