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An aeroplane has wings with a surface area of 34 m2. The shape of the wings are such that air moving over the top of them travels 20% faster than the velocity of the air under the wing, which is equal to the velocity of the plane itself. If the mass of the plane is 12153 kg what is the take-off speed of the plane?
A fully loaded station wagon has a mass of 1690 kg. If each of its four tires is inflated to a gauge pressure of 211 kPa, what is the total tire area in contact with road . What least distance are they from each other? The angle might be too large ..
In a cathode-ray tube, a beam of electrons is projected horizontally with a speed of 1.0x10^9 cm/s into a region between a pair of horizontal plates 2.00 cm long.
A homemade capacitor is assembled by placing two 9-in. pie pans 4cm apart and connecting them to the opposite terminals of a 6-V battery, Estimate the work done by the battery to charge the plates
A robot probe drops a camera off the rim of a 239m high cliff on Mars, where the free fall acceleration is -3.7m/s^2. Find out the velocity with which the camera hits the ground.
A carbon resistor is to be used as a thermometer. On a winter day when the temperature is 4.00?C, What is the temperature on a spring day when the resistance is 216.0
a typical maximum acceleration for a car is about 8 m/s^2, A sports car traveling at 20m/s accelerates at this rate for 1.25 seconds
A surface completely surrounds a 4.5 × 10-6 C charge. Find the electric flux through this surface when the surface is (a) a sphere with a radius of 0.66 m, (b) a sphere with a radius of 0.30 m, and (c) a cube with edges that are 0.65 m long.
Evalute the acceleration of each block and the tension in the string? Repeat the problem, adding a coefficient of kinetic friction between each block and the surface of 0.10.
A 140g coin sits on a horizontally rotating turntable. The turn table makes on revolution each 2 s. the coin is located 8.00 cm from the axis of rotation of the turntable. The acceleration of gravity is 9.81 m/s/s. what is the frictional force acting..
A total charge Q = 2.7 mC is distributed uniformly over a quarter circle arc of radius a=9.3 cm, What is lamda the linear charge density along the arc
The 3.10 kg, 34.0-cm-diameter disk is spinning at 350 rpm How much friction force should the brake apply to the rim to bring the disk to a halt in 2.20 s.
Considered frequency and draw the nodal maps
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