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Question: A well-insulated electric water heater warms 113 kg of water from 20.0° C to 51.0° C in 33.0 min.
Part A: Find the resistance of its heating element, which is connected across a 240-V potential difference.
Show how you get the answer, so that I can better understand how to do it.
the amount of charge that passes through the filament of a certain lightbulb in 2.00 s is 1.67c.a find the current in
A uniform electric field exists between two conducting plates separated by 1.7mm . A dust grain with charge 65 nC between the plates feels a 26N electric force, Find the electric field
A rocket is used to place a synchronoussatellite in orbit about the earth. What is the speed of the satelliet in orbit
A 4.0 Hz wave with an amplitude of 12 cm and a wavelength of 30.0cm travels along a stretched string. How far does a knot on the string travel in the same time interval
An air-filled parallel plate capacitor with a plate spacing of 1.30 cm has a capacitance of 6.40 μF. The plate spacing is now doubled and a dielectric is inserted, totally filling the space among the plates. As a result the capacitance becomes 12.7 μ..
Now consider this applet, where the two blocks have different masses. Plug the starting values into your formula from Part G, using 5 for mass of the red block and 10 for the magnitude of the acceleration of gravity.
What is the maximum distance we can shoot a dart, from ground level, provided our toy dart gun gives a maximum initial velocity of 2.78 m/s and air resistance is negligible
An aluminum wire having a cross-sectional area of 3.00 10-6 m2 carries a current of 4.2 A. Find the drift speed of the electrons in the wire
A helicopter is rising at 4.60 m/s when a bag of its cargo is dropped. The bag falls for 2.50 s. (suppose that the positive direction is upward.)
How much energy is lost through your hands in one minute after touching on a cold surface at 10 C compared to being exposed to cold air at 10 C
Determine how much work does it take to move a charge of 16C from point C to point D where the voltage at point D is 11 V greater than the voltage at point C
A very long insulating cylinder of charge of radius 2.80cm carries a uniform linear density of 13.0nC/m. If you put one probe of a voltmeter at the surface, how far from the surface must the other probe be placed so that the voltmeter reads 150V.
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