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For this aircraft, each wing has an area of 24 m2. When the plane is traveling at normal speed, the speed of the wind belowthe wing is taken as 200 m/s and the speed of the wind above is approximately 251 m/s due to the design of the wing. a) Find the lifting force on the airplane(remember there are two wings). b) If the airplane is traveling at a constant altitude, estimate the mass of the plane.
The sun transfers energy to the earth by radiation at a rate of approximately 1.00kW per square meter of surface. what would be the length of its sides in kilometers and in miles
A golf ball of mass 0.045 kg is hit off the tee at a speed of 32m/s . The golf club was in contact with the ball for 3.10×10?3s. Find the impulse imparted to the golf ball
A block of crown glass immersed in water as in. A light ray is incident on the top faceat an agle of 01 42.0. with the normal and exist the block at point P. a) find the verical distance y from the top of the block to P. find the angle of refracti..
A ball has a density of 900 kg/m3 and it's volume is0.03m3. To submerge in water the ball must be held downby the force. What is the force required to keep the ball submerged?
During 9.93 seconds a motorcyclist changes his velocity from v1,x = -37.3 m/s and v1,y = 14.1 m/s to v2,x =-21.9 m/s and v2,y = 29.3 m/s, Find the components of the motorcycle\'s average acceleration
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
An office window has dimensions 3.5 m by 2.3 m. As a result of the passage of a storm, What net force pushes out on the window
Kenny throws a basketball which has an initial speed v0. When the ball gets to its mininum speed sometime before striking the ground, What was the initial angle of the ball
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?
a string is wound around a uniform disc of radius 0.65 m and mass of 2.2 kg. the disc is released from rest with the
A rope of negligible mass is wrapped around a 225 kg solid cylinder of radius 0.40 m. The cylinder is suspended some meters off the ground with its axis oriented horizontally, and turns on that axis without friction.
In RLC circuit, the sum of the magnitudes of the voltages across the the three components was always greater that the generator voltage. Explain why Kirchhoff's law is not violated
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