The two containers of water below are completely insulated so that no heat can be transferred in or out. The water in both containers started at room temperature (20 0C), and heat was transferred to both using heating coils until they reached the indicated final temperatures.

Which container had more heat transferred on it.?

Complete Question

The complete question is shown on the first uploaded image s

The container that had more heat transfer is container B

Explanation:

     From the question we are told that

            The initial temperature of water i both container is

 generally the rate of heat transfer is mathematically represented as

  in the  question we can see that the temperature is same for the both water in the container but their masses are the same and from the equation we can see that each parameter varies directly with the  rate of heat transfer so it then mean that the water in container B would have more heat transfer because its mass is greater.

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:

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