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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.
A 9.5-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. Find the magnitude of the tension in the monkey's arm
A spring is compressed by 0.0527 m and is used to launch an object horizontally with a speed of 2.19 m/s. at what angular frequency (in rad/s) would it oscillate
Assume that a cloudy parcel has T = 275 K, wl = 1.5 g/kg. The background atmosphere has T = 274 K, and a relative humidity of 0.6. Assume a total pressure p = 600 hPa. What is the total density of the air in the cloud (due to dry air, water vapor..
at its perihelion in February 1986, comet Halley was 8.79*10^7 km from the sun and was moving at 54.6 km/s. What was its speed when it crossed Neptune's orbit in 2006
a light ray is incident upon a plane interface between two materials. the ray makes an incident angle with the normal
Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.8 seconds, then what is the acceleration and what is the distance that the sled travels?
So as to simulate weightlessness for astronauts in training, they are flown in a vertical circle. If the passengers are to experience weightlessness, how fast must an airplane be moving at the top of a vertical circle with a radius of 1545 m.
The last piece has 4 times as much mass as each of the other pieces. Illustrate what is the magnitude of the velocity of the last piece?
A telescope was used as a testbed for evaluating adaptive optics systems. This telescope has a 3.58 meter primary mirror with a focal ration of f/2.2. What is the plate scale of this telescope
A ball is thrown directly downward with an initial speed of 8.60 m/s, After what time interval does it strike the ground
You are setting up two standing string waves. You have a length of uniform piano wire that is 3.0 m long and has a mass of 150 g. You cut this into two lengths, What should be the ratio of tensions
Water is poured into a container that has a leak. The mass m of the water is given as a function of time t by m = 4.5t0.8 - 3.3t + 21, with t ? 0, m in grams, At what time is the water mass greatest
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