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Solve the given question:
Question: A household uses 2,971 kWh of electricity in one month.
Part A: What is the average current in the 120 V power line to the house?
I need help to solve the above question and hints: kWh is a unit of energy, but you need to work in Joules. From this calculate the power, which is energy divided time in seconds. Calculate how many seconds are in a month.
A cyclotron designed to accelerate protons has a magnetic field of magnitude 0.590 T over a region of radius 1.40 m, What is the cyclotron frequency
a robot unloads a completed component from a machine and places it on a gravity conveyor. the conveyor accelerates from
You are pushing a 150-kg wooden crate in a straight line a distance of 4.5 m across a wooden floor at constant speed. What is the work done by friction on the crate
The second ball, after rising, falls and also strikes the ground below. If air resistance can be neglected and if your downward and upward initial speeds are the same, explain how will the speeds of the balls compare upon striking the ground?
A 940 gram rock is whirled in a horizontal circle at the end of a 1.2 meter long string, find what angle does the string make with the horizontal
A small glass bead charged to 5.9nC is 4.0cm from a thin, uniformly charged, 10cm long glass rod. What is the total charge on the rod
A resistor, capacitor and inductor are connected in series to an ac source with a frequency of 30 Hz and an rms potential of 40 V. What is the resonance frequency for this circuit
A negative charge of -0.55 uC exerts an upward 0.200N force on an unknown charge 0.300m, What is the unknown charge (magnitude and sign)
Calculate the force required to move an object.
A 5 turn loop of wire with a radius of 4cm moves toward a 0.15T magnetic field in a 3 second time interval. What is the average emf induced in the loop? If the loop has a resistance of 5 ohm, what current is generated?
According to safety standard for air bags, the maximum acceleration during a car crash should not exceed 60 g and should last for no more than 36 ms.
Suppose there are two transformers between your house and the high-voltage transmission line that distributes the power. In addition, assume that your house is the only one using electric power. At a substation the primary of a step-down transform..
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