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A small object is placed to the left of a convex lens and on its optical axis. The object is 30 cm from the lens, which has a focal length of 47 cm. If the object is moved to a position 49 cm to the left of the lens, what will the image position be? (A positive value for p, or position, means the image is on the right side of the lens.)
Find or create your own application for the color dependence of the index of refraction. Your example need not be fully developed, but it should (1) address some task, and (2) be clear about the application of the color dependence to the task.
A motorist pushes a stalled car with a constant force of 180 N at an angle of 45 degrees with the flat roadway. The car moves forward 34 m. How much work does the motorist do on the car?
A 3mm diameter circular hole in an opaque screen is illuminated normally by plane waves of wavelength 550 nanometer. Find the locations of the first three maxima and minima
Objects with masses of 180 kg and a 480 kg are separated by 0.410 m. Find the net gravitational force exerted by these objects on a 58.0-kg object placed midway between them
An Atwood's machine consists of blocks of masses M1=10 kg and M2=20 kg attached by a cord running over a pulley. The pulleys is a solid cylinder with mass M=8 kg and radius r=.2 m. The block of mass M2 is allowed to drop, and the cord turns the pu..
A solar cell generates a potential difference of 0.0866 V when a 500 ? resistor is connected across it, and a potential difference of 0.1333 V when a 1000 ? resistor is substituted. What is the internal resistance of the solar cell? What is the emf o..
A 1000g model rocket is resting horizontally at the top edge of a 40-m-high wall when it is accidentally bumped. How far from the base of the wall does the rocket land
An x-ray tube is operated at 45000 V. Find the minimum wavelength of the radiation emitted by this tube
ben lets his toys slide down a 1.5m ramp at a 45 degree angle in a wooden box. the box starts out at rest and speeds up
A flowerpot falls from a windowsill 25 m above a sidewalk. How fast is the flowerpot moving in 2 seconds
A man holds a double-sided spherical mirror therefore that he is looking directly into its convex surface, 55 cm from his face. The magnification of the image of his face is +0.23. What will be the image distance when he reverses the mirror (looking ..
A solid wood door 0.60 m wide is hung in a metal door way at 0.0°C with a clearance of 2.2 mm on the side. If the linear coefficient of expansion of the wood is 6.0*10-5(C°)-1, at what temperature °C would the door begin to touch the side of the door..
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