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1. The launch catapult of an aircraft carrier gives the 7Mg jet airplane gives the airplane a constant acceleration and launches the airplane in a distance of 100 m measured along the angled takeoff ramp. The carrier is moving at a constant speed of 16 m/s. If an absolute airplane speed of 90 m/s is required for takeoff.
Determine the net force supplied by the catapult and the aircraft engines.
2. A boy of mass m is standing initially at rest relative to the moving walkway, which has a constant horizontal speed U. He decides to accelerate his progress and starts to walk from point A with a constantly increasing speed and reaches point B with a speed of (Xdot) = v relative to the walkway.
During his acceleration he generates an average horizontal force F between his shoes and the walkway.
1) Write the work - energy equations for his absolute and relative motions.
2) Explain the meaning of the term: mUv
A circular loop of wire 0.2 m in diameter is placed with its normal at an angle of 30° to the direction of a uniform 0.14 T magnetic field. What emf appears in the loop
Assume she starts at the top of the wave with a speed of 1.4 meter per second and moves down the wave until her speed increases to 9.5 meter per second. determine how much work is done by the (non conservative) force of the wave
when the cylinder is fully immersed does the buoyant force acting on it depend on how far below the surface of the
we can assume that the arm moves with constant speed during each swing. Illustrate what is the acceleration of a 1.3g drop of blood in the fingertips at the bottom of the swing?
Suppose 2.5 cubic meter of oil is spilled into the ocean. Find the area of the resulting slick, assuming that it is one molecule thick
An object is placed 15.0 centimeter in front of a convex mirror, the image being 7.20 centimeter behind the mirror. Determine how far in front of the mirror is the second object located
The wingspan (tip-to-tip) of a Boeing 747 jetliner is 59 m. The plane is flying horizontally at a speed of 300 m/s. Find the emf induced between the wing tips
question1man pushing a mop across a floor causes it to undergo two displacements. first has the magnitude of 154 cm and
A small coin, initially at rest, begins falling. If the clock starts when the coin begins to fall, what is the magnitude of the coin\'s displacement
Suppose an object is placed at the edge of a recordplayer. The record player has a diameter 30.0cm and rotatesat 33.3 RPM (revolutions per minute). How fast is the outside edge of the record moving
In an ultra-low-temperature experiment, a collection of atoms enter a special state called a Bose-Einstein condensate in which the index of refraction is 1.41 x 107. What is the speed of light in this condensate?
A positron is a particle of "antimatter"; it has the same mass as an electron (9e-31 kg), but its charge is positive instead of negative. At research facilities such as Cornell Electron Positron Storage Ring at Cornell University in New York, high..
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