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A 3.0cm tall object is 50cm in front of a convex mirror that has a -20 cm focal length.
Part A Calculate the image position in cm behind the mirror.
Part B Calculate the image height in cm.
Astronomers have recently discovered a new planet in a faraway solar system, with a radius of roughly 380 km. calculate the minimum density of the planet
A generator uses a coil that has 140 turns and a 0.50-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), find out the length of the..
How to design atrium of a new building
An object is located 5 cm to the left of a concave mirror that has a radius of curvature if 20 cm. Calculate the image distance from the mirror
The lines in a grating are uniformly spaced at 1520nm. Analyse the angular separation of the second order bright fringes between light of wavelength 603nm and 615.4 nm. Reply in units of mrad.
Two students are on a balcony 18.30 m above the street. One student throws a ball, b1, vertically downward at 16.80 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed.
Without taking the existence of the nebula into consideration, based on its apparent magnitude, how far away does the star in part (b) appear to be? What would the propotion error be in determining the distance if interstellar extinction were negl..
A pilot claims to have seen a UFO moving initially at a speed of about 373 m/s in an easterly direction and then, Compute the UFO's average acceleration during the turn
The capacitors are identical except that C2 has a dielectric inserted between its plates. A 210 V battery is connected across the combination until electrostatic equilibrium is established, and then the battery is disconnected.
a crowbar is used to lift a weight. If a down ward force of 224 N is applied to the end of the bar, how much weight does the other end bear
A boy shoots a BB gun horizontally at a target 15 m away. The gun is aimed directly at the center of the target, but the small metal BB hits 56 cm lower. avoid any air resistance, what was the initial speed of the BB.
When a uranium nucleus at rest breaks apart in the process known as fission in a nuclear reactor, How much mass was lost in the process
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