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A thin lens has radii of curvature R1=-8.00 cm and R2=-6.00 cm, indices of refraction nred=1.50 and nviolet=1.53 for red and violet light, and is surrounded by air. An object at distance s=20.0 cm from the lens has an image at distance s' from the lens. Is there a second lens with nred, nviolet, and R2 as stated above, but a different R1 so that s' due to violet light and the second lens equals that due to red light and the first lens? Explain your result.
calculate the magnitude of the repulsive electric force between two protons packed together in an atomic nucleus, assuming that their separation is fixed at 2.4x10^-15m.
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
A space traveller whose mass is 115 kg leaves earth. What are his weight and masson earth and in interplanetary space where there are no nearby planetary objects.
A 1500 kg car traveling at a speed of 20 m/s skids to a halt on wet concrete where kinetic friction= 0.20. How far are the skid marks.
The Saturn's ring has a diameter of about 2.00x10^5km and the distance between the Earth and the Saturn is 1.40x10^9km. Based on your calculation on resolution power, will the ring be visible in telescope.
Two objects X and Y are observed traveling in space under the influence of the gravitational attraction of the Sun. Determine the smallest speed of the object in the orbit
point a is at position 4j -3kcm. point b is at position -3cm k. point c is at position 3i -2j 5k cm. point d is at
A parallel-plate capacitor has a capacitance of 19.0 µF. What charge on each plate would produce a voltage of 36.0 V between the plates? What is the voltage between the plates?
A uniform solid disk with a mass of 28.3 kg and a radius of 0.514 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk, as drawing illustrates.
the radius of a typical human eardrum is about 4.2 .find the energy per second received by an eardrum when it listens
A sanding disk with rotational inertia 1.1 multiply.gif 10-3 kg·m2 is attached to an electric drill whose motor delivers a torque of 12N·m about the central axis of the disk. calculate the angular momrntum of the disk
A computer hard drive typically operates with a rotation speed of 7200 rpm (revolutions per minute).What is the angular acceleration of the drive
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