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A silver and copper voltameter are connected in series with a 12 v battery of negligible internal resistance . 0.806 g of silver is deposited in half an hour in silver voltameter .
calculate 1 .- magnitude of current flowing in the circuit
2. mass of copper deposited in copper voltameter during the same period
When a capacitor, battery, and resistor are connected in series, does the resistor affect the maximum charge stores on the capacitors? Why or why not? What purpose does the resistor serve?
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal, cylindrical tube 58 ft long. Suppose an astronaut in training sits in a seat at one end, facing the axis of rotation 29.0 ft away. Decide the rotation r..
A piano tuner sounds two strings simultaneously. One has been previously tuned to vibrate at 287.0 Hz. The tuner hears 2.0 beats per second. What was the original frequency of the untuned string
You slide a box of books at constant speed up a 30 degree ramp, applying a force of 160 N directed up the slope. What is the mass of the box
If a pipe wrench of length 18 cm is positioned vertically on pipe, with the handle pointing up, and a force of 150 N, what is the torque on the pipe
Since this aid will undoubtedly cost the American taxpayer money, explain how this investment will benefit both American's and the members of developing nations. This persuasive essay should be 150 words.
A rock of mass 42 kg accidentally breaks loose from the edge of a cliff and falls straight down. What is the magnitude of the acceleration of the rock
A 31.0 kg child runs with a speed of 3.00 m/s tangential to the rim of a stationary merry-go-round. Calculate the initial kinetic energy of the system
the specific heat of ice is 2.10 kjkg degc the heat of fusion for ice at 0degc is 333.7 kjkg the specific heat of water
A series circuit consists of an ac source of variable frequency, a 115 ohm resistor, a 1.25 microfarad capacitor, Find the impedance of this circuit when the angular frequency of the ac source is adjusted to the resonance angular frequency
two skaters a man and a woman are standing on ice. neglect any friction between the skate blades and the ice. the mass
Blue light (wavelength=460nm) is incident on a piece of potassium= 2.2eV. What is the maximum kinetic energy of the ejected photoelectrons
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