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The following is a standard question found in many textbooks:
Question: What is the cause of the internal resistance of a cell? Some batteries have low internal resistance and some others have high internal resistance. What is the reason for this difference in the internal resistance values? Your car uses a battery to start your car. Does it have a high or low internal resistance? what is the effect of corrosion build up on the battery terminals?
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A thermodynamic system undergoes a process in which its internal energy increases by 490 J. At the same time, 250J of work is done on the system. Find the energy transferred to or from it by heat?
A goldfish is swimming inside a spherical bowl of water having an index of refraction n = 1.333. determine the apparent distance of the goldfish from the wall
A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. determine the maximum inductance of the tank circuit
Water is flowing through a pipe (area 3.7 cm2) that connects to a faucet adjusted to have an opening of 0.45 cm2. what is its speed as it leaves the faucet
The typical radius of an atomic nucleus is about 5.0x10-15m. The velocity of a proton is measured to an accuracy of plus or minus 1.0x104 m/s. Compute the uncertainty in position of this proton.
The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.315 meter and mass 5.65 kilogram, evaluate what should the radius of the disk be
A beam of gamma rays from a distant galaxy is observed through two polarizing filters whose transmission axis is at a 45 degree angle relative to each other here on earth. How fast are the gamma rays propagating after encountering the filters
The depth of the Pacific Ocean in the Mariana Trench is 36,198 ft. What is the gauge pressure at this depth
A thin layer of alcohol with n2 =1.2 lies on top of a thin layer of water it h n3 = 1.33 which is on top of glass surface with n4 = 1.5. A ray of light is incident from air (with n1 = 1) at angel 30 degrees. At what angle will the light emerge fro..
An automobile has a 24 Watt reading lamp in the ceiling of the car. If it is attached to the 12 Volt car battery, how much current flows through the bulb
An unknown metal alloy is being tested to discover its thermal properties to see if it is suitable for use as a component in an aircraft wing. The alloy is formed into a bar measuring 1 meter in length, and is then heated from its starting temp. o..
a rubber ball is dropped from a height of 2.0m. after each bounce it returns to a height of 23 its starting height.i
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