Comparing the sizes of the images on the two photos
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.
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A pendulum comprises of a stone having mass m swinging on the string of length L and negligible mass. The stone has a speed of v0 if it passes its lowest point. (i) Write down an expression for the speed of stone if the string is at some angle with
14 hours later the diesel train left traveling at 45km/h in the effort to catch up to cattle train. After traveling 4 hours diesel train finally caught up. Find cattle train's average speed?
i) Evaluate the temperature (in °C) of the copper-steel interface. ii) Determine how much heat is conducted via 1.00 m2 of the combined sheets per second?
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.
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
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?
Find out the difference in path lengths from the two slits to the position of a fifth order bright fringe on the screen?
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