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The now-discontinued Concorde flew at Mach 1.1, which meant the speed of the plane was 1.1 times the speed of sound in air. Evaluate what is the angle between the direction of propagation of the shock wave and the direction of the plane's velocity?
____°
A capacitor of capacitance C = 4.5 µF is initially uncharged. Immediately after the switch is closed, find what is the voltage drop VC across the capacitor
In a constant-volume process, 205 J of energy is transferred by heat to 0.94 mol of an ideal monatomic gas initially at 309 K. find the increase in internal energy of the gas
An aircraft carrier has a speed of 16.4 m/s relative to the water. What is the frequency of the sound heard by the crew on the aircraft carrier
at some point in its orbit our asteroid is moving with a speed of 20 kilometers per second. determine the kinetic
The potential at the center of a uniformly charged ring is 44kV, and 15.0 cm along the ring axis potential is 30kV. Find the ring's radius and its total charge.
It is desired to magnify reading material by a factor of 2.21× when a book is placed 7.96 cm behind a lens. What is the power of the lens in diopters
question during the spin cycle of your clothes washer the tub rotates at a steady angular velocity of 34.7 rads. find
A battery has an internal resistance of 0.014 Ω and an emf of 9.00 V. What is the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.70V?
A railroad car of mass m moving at v collides completely inelastically with a stationary railroad car of mass 2 m and couples to it
A Carnot engine operates between the temperatures 420 K and 300 K. How much heat must be given to the engine to produce 2500 J of work
A moving 4.50kg block collides with a horizontal spring whose spring constant is 494 N/m. What is the speed of the block when it hits the spring
A block of mass M, at rest on a horizontal, frictionless table, is attached to a rigid support with a horizontal spring of force constant k. A bullet of mass m and velocity v parallel to the floor (and table) and collinear with the spring strikes the..
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