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An office copier uses a lens to place an image of a document onto a rotating drum. The copy is made from this image. (a) What kind of lens is used? Should it be 1 - converging, or 2 - diverging? (Give the number of the correct answer.)
Suppose the lens has a focal length of magnitude 14.0 cm. If the document and its copy are to have the same size, but are inverted with respect to one another, (b) how far from the document is the lens located and (c) how far from the lens is the image located?
A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a tightly wound inner core. what is the angular speed of the spool
A 67.00 kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between skis and snow is 0.19. What would be the magnitude of the acceleration.
a parallel-plate air capacitor has a capacitance of 500pf and a charge of magnitude 0.250uc on each plate. the plates
A vertical scale on a spring balance reads from 0 to 235 N . The scale has a length of 10.5cm from the 0 to 235 N reading. what is the mass of the fish
What is the speed of the wave and draw a snapshot graph of this wave at t = 0 s.
question1a pipe open only at one end has an essential frequency of 269 hz. a second pipe initially identical to the
The position of a particle is given by x = 4.4 cos pt, where x is in meters and t is in seconds. Find the speed and acceleration of the particle when x = 2.3 m
A wrench is thrown at a speed of 69 mph at a wall that is 70 ft away. How much force does the wall exert on the wrench and in what direction
Human skin is most sensitive to ultraviolet light of approximate wavelength 300 nm, I know the energy of the light is 6.626e-19 J. The threshold for sunburn occurs when 1 cm2 of skin absorbs about 1015 of these UV photons over an interval of seve..
A textbook of mass 1.90kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.150m, What is the tension in the part of the cord attached to the textbook
a block with a mass of 2.50kg is resting on a ramp. find the max static friction force that acts on the block.
An underdamped spring-mass system consists of a spring with a force constant of 2.00 N/m and a mass of 550 g. What is the value of the damping constant for the system
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