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A fighter airplane is launched from an aircraft carrier with the aid of its own engines and a steam powered catapult. The thrust of its engines is 2.3 x 105 Newton. In being launched from rest it moves through a distance of 87 meter and has a kinetic energy of 4.5 x 107 Joule at lift-off. Determine the work done on the airplane by the catapult?
The lenes of a particular set of binoculars have a coating with index of refraction n=1.38, If the lenses refelct a wavelength of 540nm the most strongly, what is the minium thinkcness of the coating
Two springs with spring constants k1 and k2 are put togetherend-to-end. Let x1 be the amount by whichthe rst spring is stretched relative to its equilibrium length, andsimilarly for x2.
A fiber optic line is composed of a core with an index of refraction of 1.47 and cladding with an index of 1.31. Which one of the following relations best describes angles of incidence ? that will result in total internal reflection within the fib..
Suppose a child drives a bumper car head on into the side rail, which exerts a force of 4000 N on the car for 0.200 s. What impulse is imparted by this force
In an RLC series circuit that includes a source of alternating current operating at fixed frequency and voltage, the resistance R is equal to the inductive reactance. If the plate separation of the capacitor is reduced to one fourth of its original v..
A parallel combination of a 1.27 uF capacitor and a 2.67 uF one is connected in series to a 4.85 uF capacitor. FInd the charge of each capacitor
A simple harmonic oscillator consists of a block of mass 1.70 kg attached to a spring of spring constant 144 N/m. What is the amplitude of the oscillations
An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. Calculate the mass of the aluminum cup
The active element of a certain laser is an ordinary glass rod 21.6 cm long and 1.22 cm in diameter. Calculate its increase in diameter
A square loop and a rectangular loop are each made from the same length of wire. Each loop contains a single turn, and carriesthe same amount of current. The loops are placed in the sameuniform magnetic field.
question the 1400-turn coil in a dc motor has an area per turn of 2.0 x 10-2 m2. the design for the motor specifies
The drive propeller of a ship starts from rest and accelerates at 2.69 x 10-3 rad/s2 for 2.80 x 103 s. Find the total angular displacement of the propeller
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