Balanced rock has a mass of about 36,000 kg. If the acceleration due to gravity is 9.8 miles per hour, what is the force that the rock is exerting on its pedestal?

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:

the correct choice is a .

do not post any more test or exam questions on

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okay, ima .

um it shows links to uh so kinda microsoft website is that were ima go or no? ?

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.