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1. The upstream and downstream temperatures across a normal shock wave in air are measured and found to be 306.3 and 717.6 K, respectively. Determine the upstream and downstream Mach numbers and the pressure ratio across the shock wave.
2. The upstream and downstream static pressures across a normal shock wave in air are measured and found to be 0.500 and 3.00 MPa, respectively. Determine the upstream and downstream Mach numbers and the temperature ratio across the shock wave.
120-v rms signal at 60.0hz is applied across a 30.0mH inductor and a 100 resistor. what is the rms value of the voltage across the inductor
A sailor strikes the side of his ship just below the waterline. How deep is the ocean at this point
In a physics laboratory experiment, a coil with 210 turns enclosing an area of 13cm^2 is rotated from a position, What is the average emf induced in the coil
A flat coil of wire is used with an LC-tuned circuit as a receivingantenna. The coil has a radius of 0.15 mand consists of 450 turns. The transmittedradio wave has a frequency of 0.8 MHz.
A uniformly charged ring with radius a = 10cm carries a total electric charge Q=3microCoulombs and rotates with angular speed w = 140rad/s counterclockwise about the z-axis. Find the magnetic field at the ring's center.
A light wave has a 628 nm wavelength in vacuum. It enters a solid where n = 1.36. What is the speed of light, wavelength of light and frequency of light in the solid
a gas mixture contains 1.29 g n2 and 0.93 g o2 in a 1.49- l container at 23?.1. calculate the mole fraction of n2.2.
1. explain what is the instantaneous values of ac and phase shift angle are. explain what the effective and average
a hollow metal sphere has a total charge of 50 microc. if the radius of the sphere is 50 cm the electric field
The barrel is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.0257 m below the center. What is the horizontal distance between the end of the rifle and the bull's-eye?
A projectile is fired in such a way that its horizontal range is equal to 14 times its maximum height. What is the angle of projection
Compute the velocity of the ball at the instant in which the it leaves the spring. Compute the velocity of the ball at the moment it hits the ground. Does the length traveled on the table matter? Why?
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