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An elderly sailor is shipwrecked on a desert island, but manages to save his eyeglasses. The lens for one eye has a power of +1.28 diopters, and the other lens has a power of +8.70 diopters.
(a) What is the magnifying power of the telescope he can construct with these lenses?
m = ________
(b) How far apart are the lenses when the telescope is adjusted for minimum eyestrain?
L = ______ m
Finally a thin rod of mass 7 kg is added between the two particles Since the particles are moving perpendicular to the line separating them, What the angular frequency of rotation of the rod + particles system
Two objects moving toward each other collide and rebound. Determine the change in kinetic energy of the smaller object
The nucleus of a ^125Xe atom (an isotope of the element xenon with mass 125 u) is 6.0 fm in diameter. It has 54 protons and charge q = + 54e.
The primary winding of an step-up transformer has 100 turns and the secondary has 1300 turns. If the RMS input voltage is 110 V, what is the RMS output voltage
Calculate the fuel utilization and infinite multiplication factor for a fast reactor consisting of a mixture of liquid sodium and plutonium
To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. determine the man's upward acceleration
A 6000-kg truck is accelerating at 0.5 m/s2 up a slope of 5 degrees. calculate the driving force needed for the truck to accelerate up the incline
a golf ball rolls up a hill toward a miniature golf hole. assume that the direction toward the hole is positive. if the
Two adjacent resonant frequencies of an organ pipe are found to be 500 Hz and 600 Hz. What is the length of the pipe
A Styrofoam slab has thickness h and density ?s . When a swimmer of mass m is resting on it, Find the area of the slab
A model rocket launches with an initial velocity of 7 m/s, at an angle of 81 degrees (with respect to the horizon). How far does the rocket travel in the horizontal direction
A steel (Young's modulus 2.0 x 1011 N/m2) wire is strung between two supports attached to a ceiling. What is the radius of the wire
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