Find speed of jet in still air and speed of jetstream
Flying against jetstream, the jet travels 5250km in 7 hours. Flying with jetstream, same jet travels 4920km in 4 hours. Find speed of jet in still air, and speed of jetstream?
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The national median sales price for new single-family homes is $230,000 (The Associated Press, March 25, 2006). Assume that the following data were obtained for sales of existing single-family homes in Houston and Boston.
The zoom of a camera lens covers the focal-length range 46 mm -148 mm. You point the camera at a distant object and photograph it first at 46 mm and then with the camera zoomed out to 148 mm. Compare the sizes of the images on the two photos.
A crown glass having n=1.52 biconvex lenses of radii R1= 24 cm and R2= -44 cm consists of a power of around:
If you look at yourself in a shiny Christmas tree ball having a diameter of 7.0 cm when your face is 24.0 cm away from it, then where is your image? (Your answer must be positive when the image is in front of the ball's surface, and negative when
Find out the difference in path lengths from the two slits to the position of a fifth order bright fringe on the screen?
In a Young's experiment, the distance among slits is around 2 mm and the distance from the slits to the screen is around 6 m. Determine the distance which the top slit should be moved up in order to generate a minimum at the original central brigh
The two metal spheres having charges of +4.0 x 10-6 coulomb and +2.0 x 10-5 coulomb, correspondingly are brought into contact and then separated. After separation, the charge on each sphere is________?
AFM radio station transmits at frequency 980 MHz and consists of a power output 5.8 Megawatts. (i) Determine the wavelength of the EM wave. A house is around 3.2 km away.
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