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What is the wavelength of the sound emitted by an airplane flying at an elevation of 12192 meters (or 40,000 feet) where the temperature is -48.1°C? The frequency of the noise from the engines is 108.9 Hz. Express answer to two decimal places.
A beam of protons is moving toward a target in a particle accelerator. This beam constitutes a current whose value is 0.51A. How many protons strike the target in 12 seconds
A wire is stretched just taut (zero tension) at 444.0°C. Find the stress in the wire if it is cooled to 79.0°C without being allowed to contract. Young's modulus for the wire is 2.0 × 10¹¹ Pa and its coefficient of linear expansion is 3.4 × 10?5/°..
When possible causes for out-of-control points on a control chart are addressed and physically eliminated, it is common practice to discard the data associated.
A world-class sprinter accelerates to his maximum speed in 4 second. He then maintains this speed for the remainder of a 100 meter race, Find what is his average acceleration for the entire race
A box of mass m = 2.5 kg moves along a straight line through a vector displacement d = (7.0 i -3.8 j) m. What is the work done by this force as the box moves
A 16.0 kg fish swimming at 1.40 m/s suddenly gobbles up a 4.50 kg fish that is initially stationary. Neglect any drag effects of the water. Find the speed of the large fish just after it eats the small one
The blackbody radiation emitted from a furnace peaks at a wavelength of 5.7 x 10-6 m (0.0000057 m). What is the temperature inside the furnace
Canadian geese migrate essentially along a north-south direction for well over a thousand kilometers in some cases, Obtain how long will it take the bird to cover a ground distance of 450 kilometer from north to south
find the radius of curvature of the vertical profile of the road at A. Using value of the curvature found, determine the force exerted on a 160-lb driver by the seat of his 3100-lb car as the car, traveling at a constant speed of 50 mi/h, passes t..
Two capacitors, C 1 = 20.0 µF and C 2 = 38.0 µF, are connected in series, and a 18.0 V battery is connected across them.- total energy stored ? Find the energy stored in each individual capacitor- energy stored in C1 ?
Suppose the second distance d were traveled in the opposite direction; you forgot something and had to return home at the same constant speed as found in part (a). What is the average velocity for this trip.
Throughout three hours one winter afternoon, when outside temperature was 9° C, a house heated by electricity was kept at 21° C with the expenditure of 46kwh (kilowatt•hours) of electric energy.
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