Determine by calculation the object position
A lens has a focal length of 23.0 cm. Determine (by calculation) the object position for which the resulting image is upright and 4 times the size of the object.
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What is the probability that you come out even of win money after playing just one game? What is the expected monetary gain or loss to you for playing this game?
An interest rate of 10% compounded continuously is desired on an investment of $15000. How many years will be required to recover the capital with the desired interest if $2030 is recived each year?
A 2.5-kg particle oscillates on a spring with spring constant 85 N/m. At time t = 1.0s, the particle is at maximum displacement from equilibrium, 7.8 cm. What is the equation of motion of the particle as a function of time? What are the maximum sp
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Two blocks of steel (Cp=0.11 Btu/lbm ºF), one at 800ºF and the other at 300ºF are brought into contact in an insulated container and allowed to reach thermal equilibrium. What is the change in entropy of the universe?
An air intake duct has a 14'x14' opening, the duct is 18' long with an exaust opening at the other end that is 14'x1' giving a 14 to 1 ratio. As a percentage what is the increase in wind velocity coming out?
It is found that the reflected light from a surface is completely polarized when the angle of incidence is 53.8 degrees. What is the index of refraction of the reflecting material?
If the tile-iron has a square surface area 254mm to the side, how much energy has been removed from it during the time it has taken to lift the tile?
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