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A nozzle of inner radius 1.05 mm is connected to a hose of inner radius 8.00 mm. The nozzle shoots out water moving at25.3 m/s.
1) What is the mass flow rate? in g/s
2) At what speed is the water in the hose moving? Answer in cm/s
3) What is the volume flow rate? Answer in cm^3/s
Capacitors C1=10\muF and C2=25\muF are each charged to 25V , then disconnected from the battery without changing the charge on the capacitor plates. What is the potential difference across each capacitor
Some particle accelerators accelerate particles around in circular paths up to speeds very close to the speed of light. Which radius will be advantageous and why?
A screw with 25 threads per centimeter is driven 1.49 cm into its fixture in 12.4 s with a cordless electric screwdriver. What is the average angular speed of the screwdriver
An RC circuit with C = 44.8 µF and R = 5.8 has a 23 V source in it. With the capacitor initially uncharged, an open switch in the circuit is closed. What is the current in the resistor at that time
A string 120 cm long with a linear mass density 10^-2 kg/m is stretched to a tension of 36 N. The string is attached between two walls and when plucked forms a standing wave with 3 antinodes. Find the frequency of vibration. A standing wave pattern c..
How much does it cost to cook food in a 12,000 W oven for 47.6 minutes? Assume electricity costs 8.0 cents per kW·h
Find the drift velocity of conduction electrons in a gold wire of diameter 2.88 mm when a current of 0.123 A flows in it
Consider a Hydrogen atom with the electron in the n = 8 shell. What is the energy of this system, How many electrons would fit in this main shell
A 0.267 T magnetic ?eld in a mass spectrometer causes an isotope of sodium to move in a circular path with a radius of 0.068 m. what is the isotope's mass
One vessel contains a mixture of 5 parts pure wine and 3 parts soda, whereas the other vessel contains a mixture of 9 parts pure wine and 5 parts soda. Compare the strength of the wine.
A solar cell generates a potential difference of 0.1556 V when a 500 ? resistor is connected across it, and a potential difference of 0.2270 V when a 1000 ? resistor is substituted. What is the internal resistance of the solar cell?
A research group plans to construct an engine that extracts energy from the ocean, using the fact that the water temperature near the surface is greater than the temperature in deep water. If the surface water temperature is 26.0°C and the deep-water..
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