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Find the solution of each part of given problem:
Problem: A 20kW electric heater is designed to run using a 120V ac source.
Part A: Find its peak current. Express your answer using two significant figures.
Part B: Find its peak voltage. Express your answer using two significant figures.
Part C: How much energy will you be billed for in a 30-day month if it operates 3.0h per day? Express your answer using two significant figures.
I need tutor help to solve the above question.
A 0.113 kg remote control 17.4 cm long rests on a table, as shown in the figure below, with a length L overhanging its edge. How large is the normal force when the button is pressed
By calculation, determine the wavelength of three principal visible lines of hydrogen from energy transitions n=3, 4
It takes an elevator 3.4 minutes to raise a vehicle with a mass of 366 kg from the floor to a height of 7 meters. What size (power) motor (in watts) does it take to do the job
Baseball scouts often use a radar gun to measure the speed of a pitch, What will be the increase in frequency if these waves are reflected from a 60.0mi/h fastball headed straight toward the gun
You are given the task to determine the volume of an irregular shaped object. You hang it on a scale and measure its weight to be 27 N. What is the object's volume
A standing observer perceives a train whistle to have a frequency of 300 Hz. what is the frequency of the sound waves emitted from the train
The mercury manometer shown in the figure below is attached to agas cell. What is the freezer temperature
a magnetic field has a magnitude of 1.2 x 10-3 t and an electric field has a magnitude of 4.6 x 103 nc. both fields
A 662-keV photon is Compton scattered at an angle of 120degree with respect to its incident direction. What is the energy of the scattered electron? What is the angle between the paths of the scattered electron and photon?
A converging lens (f = 12.4 cm) is located 31.8 cm to the left of a diverging lens (f = -5.4 cm). Find the overall magnification
an x-ray photon with wavelength 15.0 pm is scattered at 84.0 degrees by an electron. What is the resulting kinetic energy of the electron
One cylinder in the diesel engine of a truck has an initial volume of 600 cm3. Air is admitted to the cylinder at 30 0C and a pressure of 1.0 atm. What are its final temperature and volume
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