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1) Was the energy (Q) gained by the water greater than the energy (E) dissipated by the resistor? Explain why it was greater or less.
2) The heating resistor is rated at 10 ? and 1 W. By how much was its power rating exceeded? (Remember, P=V2 /R.) Why didn't the resistor burn up?
3) What are some factors that could account for the percent error between the experimental and accepted values?
4) Is the incoming flux equal to the outgoing flux?
5) Why does the outgoing peak (the second peak) have a greater magnitude than the incoming peak?
6) Why are the peaks in opposite directions?
A train engineer blows a whistle that has a frequecy of 4.0 X 10^2 hz as the train approaches a station. if the speed of the train id 25 m/s, what frequency will be heard by a person at station.
Water flows at 0.25L/s through a 11 meter long garden hose 2 centimeter in diameter that is lying flat on the ground. Find the gauge pressure of the water where it enters the hose
A cylindrical grain bin 24.0 ft in diameter is filled with corn whose weight density is 45.1 lb/ft^3. How tall can the bin be for the floor
In each cycle of its operation, a refrigerator removes 17J of heat from the inside of the refrigerator, How much work per cycle is required to operate this refrigerator
The new EV-1 electric car makes use of storage batteries as its source of energy. Its mass is 1580 kg and it is powered by 29 batteries, Determine the horsepower required for the motor
An asteroid is seen in opposition from Earth once every 1000 days. What is the sidereal orbital period of the asteroid? What is the length of the semi major axis of the asteroids orbit?
There is a uniform charge distribution of ?= 7.90 * 10^-8 C/m along a thin wire of length l=5.58 cm. Find the magnitude of the electric field at the center of the semicircle
In 1971, Apollo 14 astronaut Alan Shepard hit two golf balls while on the Moon. The first one rolled 40 yards into a nearby crater, Is the second ball still on the moon
Two parallel slits are illuminated by light composed of two wavelengths, on of which is 645 nm. On a viewing screen, the light whose wavelength is known produces its third dark fringe at the same place where the light whose wavelength is unknown ..
A parallel-plate capacitor with circular plates of radius0.082 m is being discharged. At what rate is the electric field between the plates changing
How long could this energy be used to burn ten 60 W light bulbs? If this energy were used to raise a car of mass 1845 kg, to what height would the car be raised?
a very long thin rod carries electric charge with the linear density 28.0 ncm. it lies along the x axis and moves in
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