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A fighter jet is launched from an aircraft carrier with the aid ofits own engines and a steam-powered catapult. The thrust of itsengines is 3.44 x 105 N. In being launched from rest itmoves through a distance of 59.7 m and has a kinetic energy of 7.34x 107 J at lift-off. What is the work done on the jet by the catapult?
The blue ball moves at an angle of -35° and a velocity of 2.1 meters/second. What is the final y-momentum of the system?
Bob is strapped to a board that is moving so that ? along the length of the board is 2.0. The board and direction of relativistic motion is along the horizontal. You are standing next to a hole on a horizontal platform that he hopes to pass throug..
Suppose a rocket ship in deep space moves with constant acceleration equal to 9.80 m/s2, which gives the illusion of normal gravity during the flight. How far will it travel in so doing
The K-shell ionization energy of iron is 8500 eV, What is the wavelength of Kalpha X-rays emmited by iron
A sound wave traveling at 343 m/s is emitted by the foghorn of a tugboat. An echo is heard 1.70 s later. How far away is the reflecting object
The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts. Some of these studies use a machine known as a centrifuge.
A child and sled with a combined mass of 50.6 kg slide down a frictionless hill that is 8.72 m high. If the sled starts from rest, what is its speed at the bottom of the hill
the parallel-plate capacitor used on each key of a computer keypad is a square 0.5 cm on a side. between the plates is
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 2.10×106N , one at an angle 10.0? west of north, What is the total work done by the two tugboats on the supertanker
You are standing at a red light on SW 8th Street at 97th Avenue. The light turns green, find the work done on your car by the frictional force
An object is located 13.5 cm in front of a convex mirror, the imagebeing 7.45 cm behind the mirror. A second object, twice as tall asthe first one, is placed in front of the mirror, but at a differentlocation. The image of this second object has t..
Magnus has reached the finals of a strength competition. In the first round, he has to pull a city bus as far as he can. One end of a rope is attached to the bus, while the other is tied around Magnus\'s 48 inch waist. If a force gauge placed half..
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