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For the eye we can model the lens of a spherical refractor. The image distance is set by the length to the retina (Si=1.80).
a. Find the focal length of the eye for an object that is 0.65m from the eye.
b. Given the index of refraction for the lens of 1.38 find the radius od the lens for this configuration.
A uniform chain of length L and mass M is lying on a smooth table and one-third of its length is hanging vertically down over the edge of the table. If g is acceleration due to gravity, the workrequired to pullthe hanging part on to the table is
Commercial aircraft fly near 200mb where the outside temperate is -60 degrees Celsius. Calculate the temperature of the air if compressed adiabatically to the cabin pressure of 1000mb.
Two wheels have the same mass and radius of 4.5 kg and 0.39 m, respectively. One has (a) the shape of a hoop and the other (b) the shape of a solid disk. The wheels start from rest and have a constant angular acceleration with respect to a rotatio..
a 200-m-wide river flows due east at a uniform speed of 4.8 ms. a boat with a speed of 8.6 ms relative to the water
What is the density of Neon gas at standard temperature and pressure? The atomic mass of Neon is 20.18 atomic mass unit
An ideal refrigerator utilizes a Carnot cycle operating between 0 degree C and 26 degree C. How much energy must be supplied to the refrigerator
A car (m = 2,000 kg) has an initial speed of 40 m/s and the driver applies the brakes over a distance of 200 meters until the car comes to a stop
You drive due east at 82km/h for 53min. Then you follow a road going 60 kilometer south of east, going 89 km/h for another 32min. Find your total displacement
A solid cylinder is released from rest and rolls without slipping down a 4.0 degree incline. what will the timer read
a spring with a spring constant of 270 nm iscompressed by 14cm.a 880g ball is attached to the end and the spring is
Consider the following situation: you fire a tennis ball off theroof of a building of height h, with initial velocity magnitudev0 and angle θ. Show that the final velocitymagnitude with which the ball hits the ground is independent ofθ.
An orbiting satellite stays over a certain spot on the equator of (rotating) Earth. What is the altitude (in km) of the orbit (called a geosynchronous orbit)?
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