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1. Air blows over the flat-bottomed, two-dimensional object shown in Fig. P9.109. The shape of the object, y = y(x), and the fluid speed along the surface, u = u(x), are given in the table. Determine the lift coefficient for this object.
A point charge of -10 C is located 5km above the earth's surface. Assume the surface is a perfectly flat conductor. a) What is the magnitude and direction of the electric field directly below the charge?
A concave spherical mirror has a radius of 20 cm. A real object is placedon the optical axis 15 cm from the mirror. Compute where the image is and describe i
Why is surface wind always directed at some angle across sea-level isobars toward lower pressure? Why is the surface wind directed across the sea-level isobars at a greater angle in Madison than over the middle of Lake Michigan.
A 20.0-kg mass is supported by two strings as shown in Fig. 12-4. The left string is 2.00 m long and the right string is 5.00 m long. What is the tension in the right side string
A certain metal with atomic mass 2.6 × 10?25 kg has an interatomic bond with length 2.5 × 10?10 m and stiffness 45 N/m. What is the speed of sound in a rod made of this metal
a ray of light traveling through one type of glass, In which type of glass does light travel at a higher speed
a hydraulic press consists of two vertical cylinders of circular cross-sectional areas 6cm2 and 120cm2 that are joined
The drawing shows four point charges. The value of q is3.3 μC, and the distance d is 0.80 m. Find the totalpotential at the location P. Assume that the potential of a point charge is zero at infinity.
If a converging lens forms a real, inverted image 14.0 cm to the right of the lens when the object is placed 48.0 cm to the left of a lens, determine the focal length of the lens
The bullet strikes a block of wood and penetrates to a depth of 15 cm. What resistive force (assumed to be constant) does the wood exert on the bullet? Explain how long does it take the bullet to come to rest?
What is the acceleration in m/s of a 0.001kg bullet if the force of recoil gives an acceleration of 4.390 m/s? The gun has mass of 0.20 kg.
Two people carry a heavy electric motor by placing it on a light board 2.05 m long. One person lifts at one end with a force of 405 N , Where along the board is its center of gravity located
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