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Question1
A jet plane w/ a constant speed along a straight line at an angle 30 degrees above horizontal. The plane is 86500 N in weight. Its engines give a 103000 N thrust. Adding to the lift force L (Perpendicular to the wings) and the air resistance R (directed opposite) act on the plane. Find out L and R
Question2
The emf of each flashlight battery is 1.5 volts. Establish the steady-state electric field inside each Nichrome wire. Consider that in the steady state you have to satisfy both the current node rule and energy conservation. These two principles give you two equations for the two unknown fields.
A car is traveling at 43.2km/hr on a flat, concrete highway. If the brakes are applied such that skidding occurs, the kinetic coefficient of friction between the road and tires is 0.808. If anti-lock brakes are properly applied after that no skidd..
What is braking distance for the first train
A clock has a second hand whose tip rubs against the inside of the glass cover. what is the minimum torque that must be applied to the second hand
Legend has it that, many centuries ago, Archimedes jumped out of his bathtub and ran across town naked screaming "Eureka!" after he solved an especially difficult problem.
What can you conclude about the resulting displacements?
Find the torque required to over come the viscous force in a journal bearing having Radius of journal R , angular velocity w length of the bearing L and thickness of oil film t
An airplane takes off at sea level and climbs to a height of 480 m. Estimate the net outward force on a passenger's eardrum assuming the density of air is approximately constant
Find the steady-state temperature distribution in a solid cylinder of height 10 and radius 1 if the top and curved surface are held at 0 degrees and the base at 100 degrees.
A high-voltage transmission line with a resistance of 0.265 %u2126/km carries a current of 1.25 kA. What fraction of the transmitted power does this loss represent
An antiaircraft shell is fired vertically upward with an initial velocity of 200m/s. compute the maximum height of the shell
A block is attached to a ceiling by a spring fo force constant k. When pulled down and released the block undergoes simple harmonic motion. The amplitude is 2, and the frequency is 1/(16pi). If the mass of the block is 3.14 kg, what is the spring ..
Supply a small island (population of 1 million, some industry, some military) with electrical power. How many power plants would you need
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