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A normal shock wave occurs in air at a point where the velocity is 600 m/s and the stagnation temperature and pressure are 473 K and 600 kPa, repsectively. Find the Mach numbers, pressures, and temperatures upstream and downstream of the shock wave.
A collie drags its bed box across a floor by applying a horizontal force of 3.1 N. find the increase in thermal energy of the bed and floor
A satellite is in an elliptical orbit at altitudes ranging from310 to 890 km. Atthe high point it's moving at 7.33 km/s.How fast is it moving at the low point?
If the force constant (spring constant) of the spring is 12 N/m, find the period of oscillation of this setup on a planet where g = 1.60 m/s2.
A two-stage rocket is launched at an initial angle of 83 degrees from the horizontal, and for 15.4 seconds,its engine provides a uniform acceleration in its lauch direction of 25m/s^2. Find the maximum height of the rocket
An electron and a proton are moving due east in a constant electric field that too points due east. The electric field has a magnitude of 3.0×104N/C. Decide the magnitude of the acceleration of the electron and the proton.
A ball having a mass of .12kg moves toward a tennis racket at 13m/s. How much force did the racket apply to the ball
On a hot summer day, a young girl swings on a rope above the local swimming hole. what are the magnitude and direction of her velocity
a 35 horizontal metal bar 14 long is free to slide up and down between two tall vertical metal rods that are 14 apart.
A massless plank of length L = 2 m has two supports. One support is at the left end and one is in the middle. What is the normal force on the middle support
The electric field between the plates of the velocity selector is 4900 V/m, and the magnetic fields in both the velocity selector, compute the radius r of the path for a singly charged ion with mass m = 4.29 10-26 kg
Determine the capacitance of a Teflon-filled parallel-plate capacitor having a plate area of 1.50 cm2 and insulation thickness of 0.0700 mm
A 1.5 meter tall woman stands 5 meter in front of a camera with a 4 centimeter focal length lens. Evaluate what is the size of the image formed on film
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