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A fighter plane is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 1.8 x 105 N. In being launched from rest it moves through a distance of 87 meter and has a kinetic energy of 3.6 x 107 Joule at lift-off. Find the work done on the plane by the catapult?
In a film projection apparatus it is desired to produce pictures12 feet wide on a screen 50 feet from the lens; What must be the focal length of the projection lens used
A 7450kg iceberg with density 931 kg/m3 is afloat in seawater with density 1030 kg/m3. Find the volume of water displaced by the iceberg
A 32.0 kg hammer strikes a steel spike 2.70 cm in diameter while moving with speed of 24.0 m/s. The hammer rebounds with speed 11.0 m/s after 0.110 s. What is an average strain in the spike all through the impact.
What is the magnitude of the force on the bead. find the charge of the particle.
electrons flow through a 2.2 mm diameter aluminum wire at 2.2 x 10^-4 m/s. *electron density of aluminum is 6 x 10^28 m^-3*
an equeous solution contaning 0.003 M NaCl and 0.005 M CaCl2 is mixed with the polysacharide alingate to creat aahigh- viscosity liquid, calculate the activity coefficient of all ionic species at 25 C
a block of mass 2.0 kg is attached to a rod by means of two strings. when the system rotates about the axis of the rod
In an ideal Rankine Cycle, steam exhausts a turbine at the rate of 10.1 million lbm per hour into a condenser at a temperature of 102 degrees F (Tsat for 1.0 psia), What is the rate of heat rejection by the condenser
A wooden raft has a mass of 46 kg. When empty it floats in water (density 1000 kg/m^3) with 54% of its volume submerged. What mass of sand can be put on the raft without it sinking
A 270 mL soda can is 5.27 cm in diameter and has a mass of 23.4 g. Such a soda can half full of water is floating upright in water. What length of the can is above the water level
A mirror produces an image of the sun, and the image is located 0.9900 m from the mirror. What is the algebraic expression for the object distance do of the tree from the mirror
a 4 m string is held fixed at both ends. when driven by 108 Hzsource, the string vibrates in 4 distinct segments. What is the natural fundamental frequency of the string
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