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Supersonic airflow enters an adiabatic, constant area pipe (inside diameter = 0.1 m) with Ma1 = 2.0. The pipe friction factor is 0.02. If a standing normal shock is located right at the pipe exit, and the Mach number just upstream of the shock is 1.2, determine the length of the pipe.
A thin block of soft wood with a mass of 0.074 kg rests on a horizontal frictionless surface. Calculate the initial and final kinetic energies of the system
A model rocket is launched straight upward. Its altitude y as a function of time is given by y = bt -ct2, where b = 82 m/s, c = 4.9 m/s2, t is the time in seconds, and y is in meters, (a) make use of differentiation to find out a general expressio..
An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. what is the mass of this canister
What three-fold task was the Phelps-stock commission scheduled to undertake in fulfilling the desires of Caroline in USA and Africa?
Consider a reference frame associated with a free falling cabin, which is moving with an acceleration of g = 9.8m/s^2. At time t=0 the cabin is at rest. Is this reference frame inertial
The coefficient of static and kinetic frictions between a 3 kg box and a desk are .4 and .3 respectively. What is the net force on the box when a 10 N horizontal force is applied to the box
Suppose that the helium atom, with a filled 1s electron shell, has the same ground-state radius as the Bohr hydrogen atom, Find the density of the 4He atom
a place a charge of -8.60 microc at point p and find the magnitude and direction of the electric field at the location
A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.839 A) sin [(204 Hz)t]
A lady is pushing a 96 kilogram crate across a floor at a constant velocity with a 362 Newton horizontal force. determine what acceleration will the crate have
Particle charge of 1.6 µC is at the center of a Gaussian cube 72 cm on edge. What is the net electric flux through the surface
A pair of narrow, parallel slits in a sheet of black glass are separated by a distance of 0.250 m. The slits are illuminated by light having a wavelength of 546.1 nm. The interference pattern is observed on a screen 1.2 m from the plane of the glass ..
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