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A glass camera lens, with an index of 1.55 is to be coatedwith a cryolite file (n~1.30) to decrease the reflection ofnormally incident green light (λo=500nm). What thickness should be deposited on the lens?
A step down transformer produces a voltage of 5.3 V across the secondary coil when the voltage across the primary coil is 100V. What voltage appears across the primary coil
A transformer has 400 turns in the primary, which is connected to 120V rms. How many turns are needed for each part of the secondary coil
How many oxygen molecules do you inhale if you are at sea level?
Two skaters, one with mass 65 kg and the other with mass 50 kg, stand on an ice rink holding a pole oflength 10 m and negligible mass. How far does the 50 kg skater move
Assuming that solar panels currently sell for about $2.50 per watt of peak output power and that Xcel energy currently bills customers for electricity at about $0.10 per kilo-watt hour, how long will it take a solar panel installation to pay for itse..
With a particular grating a doublet of the two wavelengths 731.3 and 732.1 nm is viewed in the third order at 9.3° to the normal and is barely resolved. Find the total width of the rulings in nanometers
A mass m is connected to the bottom of a vertical spring whose force constant is k. Attached to the bottomof the mass is a string that is connected to a second mass m, as shown in the figure.
The refracting telescope at the Yerkes Observatory has a 1.00-m diameter objective lens of focal length 20.0 m. Assume it is used with an eyepiece of focal length 1.90 cm. (a) Determine the magnification of Mars as seen through this telescope.
Determine the resolution limit set by diffraction . what average force do you need to apply to stop the sled? Utilize the concepts of impulse and momentum.
An office window has dimensions 3.5 m by 2.3 m. As a result of the passage of a storm, What net force pushes out on the window
The amplitude of a lightly damped oscillator decreases by 2.8% during each cycle. What percentage of the mechanical energy of the oscillator is lost in each cycle?
An initially motionless test car is accelerated uniformly to 145 km/h in 8.28 seconds before striking a simulated deer. The car is in contact with the faux fawn for 0.455 seconds, after which the car is measured to be traveling at 60.0 km/h.
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