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You are standing 4.5m from a convex security mirror in a store. You estimate the height of your image to be half of your actual height.
Estimate the radius of curvature of the mirror. Follow the sign conventions.
Compute what resolving power is needed to measure with a spectrograph the natural line width of the alpha particles from Po-212
What is the smallest thickness of a soap film (n = 1.33) that would appear black if illuminated with 450 -nm light? suppose there is air on both sides of the soap film.
Calculate approximately E at a distance of 40 m (large relative to the plate size) by assuming that the plate is a point charge.
The resultant displacement has a magnitude of 6.6m directed at the angle of 137 degrees from the positive x axis.
An oscillator with a mass of 430 g and a period of 0.900 s has an amplitude that decreases by 1.00% during each complete oscillation. If the initial amplitude is 9.20 cm, what would be the amplitude after 44.0 oscillations? At what time will the e..
Assume that there is a very beautiful ornate crown, supposedly made of solid gold, how would you determine its density
A blackened, solid copper sphere that has a radius equal to 4.5 cm hangs in an evacuated enclosure whose walls have a temperature of 23°C. find the initial rate at which its temperature changes
A ferry boat transports tourists among three islands. It sails from the first island to the second island, 4.7 km away, in a direction 37.0° north of east. It then sails from the second island to the third island in a direction 69.0° west of north..
You create a plot of a (in m/s2) vs sin ? and the linear fit of your graph gives a slope of 9.7260 ± 0.3100.
What are the forces acting on the board due to the two supports as a diver of mass 63 kg stands at the end of the board over the water.
A billiard ball is moving in the x-direction at 30 cm/s and strikes another billiard ball moving in the y-direction at 40.0 cm/s. As a result of the collision, the first ball moves at 50.0 cm/s, and the second ball stops. In what final direction d..
A classroom slide projector projects an enlarged (55 times taller) image of a 24 mm high photographic film onto a screen located 10 meters from the projector. What focal length lens (cm) does slide projector require to produce a sharply focus imag..
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