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There is a pipe that is 120 inches in length and 12 inches in diameter and with a pressure of 10 psi air is pushed through the pipe. How would I calculate the air flow rate per second with the information given? What is the formula?
The potter can stop the wheel in 7.0 s by pressing a wet rag against the rim and exerting a radially inward force of 68 N. Find out the effective coefficient of kinetic friction between the wheel and the wet rag.
An engine based on the Stirling cycle uses 2.2 kg of N; as its working fluid. 570 kJ of heat enters at a temperature of 850 K during each cycle. Heat is exhausted at 330 K. You may neglect the temperature dependence of the specific heat in this probl..
A proton is to orbit the Earth at the equator using the Earth's magnetic field to supply part of the necessary centripetal force.Should the proton move eastward or westward relative to a fixed point on the surface of the Earth?
If a container has a water level 20 cm above the base and you punch a hole in the side 12 cm high
Rusting of an iron nail is an example of a change of phase, true or false? This seems like a tricky question, because it is a chemical change-but would that be considered a change of phase?
An ideal gas is allowed to expand adiabatically until its volume increases by 50%. By approximately what factor is the pressure reduced
Let be the magnitude of the kinetic energy of puck A at the instant it reaches the finish line. Likewise, is the magnitude of the kinetic energy of puck B at the (possibly different) instant it reaches the finish line.
The decibel level of the noise from a jet aircraft is 130 dB when measured 16.8 m from the aircraft. How much sound power does the jet aircraft emit? How much sound power would strike the eardrum of an airport worker 16.8 m from the aircraft? Assu..
A 16 cm long animal tendon was found to stretch 3.9 mm by a force of 13.9 N. The tendon was approximately round with an average diameter of 7.5 mm. Calculate the elastic modulus of this tendon.
q1. an object weighs 302 n in the air. when tied to a string connected to a balance and immersed in water it weighs 220
A hydrogen atom initially in its ground state absorbs a photon and ends up in the n=6 state. Calculate the energy of the incident photon
The electric potential at the center of a (5.00 cm radius) metallic sphere is zero volts. what is the voltage between the conductors
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