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An aircraft carrier has a speed of 16.4 m/s relative to the water. A jet is catapulted from the deck and has a speed of 59.3 m/s relative to the water. The engines produce a 1570-Hz whine, and the speed of sound is 343 m/s. What is the frequency of the sound heard by the crew on the aircraft carrier? Assume that the aircraft carrier and the jet are both moving in the same direction.
q1. a 67 kg man weighs 637 n on the earths surface. how far above the surface of the earth would he have to go to lose
A solenoid is used as a rotor of an electrical motor. It is 10 cm long and 2 cm in diameter. The wire wrapped around it makes 1000 turns and has a resistance of 100 Ohms. find the electrical power delivered by the battery
A block of mass m starts from rest at the top of a ramp of vertical height h . The block slides down frictionless ramp and reaches a speed v at the bottom . if the same bock were to reach a speed 3v at the bottom , it would need to slide down a fr..
A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. What is the person's mass
How long after the beginning of the power failure would it have taken the flywheel to stop if the power had not come back on? Explain how many revolutions would the wheel have made during this time?
A football is thrown with an initial upward velocity component of 15.0 and a horizontal velocity component of 17.5 . How high does it get above the ground? How far has the football traveled horizontally from its original position?
The Earth's radius is about 4000 miles. Kampala, the capital of Uganda, and Signapore are both nearly on the Equator. What is the plane's angular velovity with respect to the Earth's durface
A 0,52 um thick soap film (n=1,41) in air is illuminated with white light in a direction perpendicular to the film. For what wavelength in the range 350-700 nm is there : a) fully constructive interferences b) fully destructive interference in the re..
An isolated copper sphere of radius 3.00cm, initially uncharged, is illuminated with ultraviolet light of wavelength 180nm. what charge does the photoelectric effect induce on the sphere
Compute the scalar product V.F
Consider a person on the moon who launches herself into a satnding broad jump at 45 degrees. What is the range of the jump
stiff wire bent into a semicircle of radius a is rotated at constant frequency f in a uniform magnetic field B, What is the amplitude of the emf
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