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A supersonic aircraft is flying parallel to the ground. When the aircraft is directly overhead, an observer on the ground sees a rocket fired from the aircraft. Nine seconds later the observer hears the sonic boom, which is followed 2.38 s later by the sound of the rocket engine. What is the Mach number of the aircraft?
in a vacuum, a certain light has a wavelength ?0 = 589 nm and travels at speed c = 3.00x10^8 m/s. What is its speed if traveling in sodium chloride
Two identical guitar strings are prepared such that they have the same length (1.91 m) and are under the same amount of tension, What is the wave propagation speed on the guitar strings
Suppose 0.0330 kg of steam (at 100.00°C) is added to 0.330 kg of water (initially at 21.1°C.). Find the final temperature (in °C) of the water after equilibrium is reached
A car with a mass of 980 kg is initially traveling east toward an intersection with a speed of vc = 20.8 m/s, Determine the initial speed of the truck and the final speed of the wreckage
An 845-N sled is pulled a distance of 186m. The task requires 1.2 multiplied by 104 J of work and is done by pulling on a rope with a force of 133-N. At what angle is the rope held.
A planet orbits the sun with a period of 14 years? How far is the planet from the sun
A submarine dives 110.0 m at an angle of 10.0° below the horizontal. Illustrate what are the horizontal and vertical components of the submarine's displacement?
A bowler throws a bowling ball of radius R = 11 cm down a lane. The ball slides on the lane with initial speed vcom,0 = 10.5 m/s and initial angular speed ?0 = 0. What is the speed of the ball when smooth rolling begins
A 10m^3 tank of compressed natural gas has an absolute pressure of 400 kPa at a temperature of 27 C. What is the mass of the gas in the tank
Two identical rods each of length L and charge Q are perpendicular to each other and separated by a distance D, where the distance D is from the middle of one rod to the nearest tip of the other.
You have carefully prepared the wave function of an electron to be in the first energy eigenstate of an infinite potential well spanning a length a. Now you decide to release the electron from the prison by turning off the infinite potential barri..
A 50 kg person stands at the edge of a 7.4 m diameter circular platform, which is mounted horizontally on frictionless bearings and has a total mass of 300 kg. What is the magnitude of the speed of the person (in m/s) with respect to the ground
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