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Frank is nearsighted and his glasses require a prescription of -1.6 D . One day he can't find his glasses, but he does find an older pair with a prescription of -1.0 D. What is the most distant object that Frank can focus on while wearing this older pair of glasses?
A horizontalforce of 190 N is applied toa stationary wooden box in one direction, and a 700 N horizontal force is applied in theopposite direction. What additional force is needed for the box toremain stationary?
A fighter jet landing on an aircraft is made to brake very quickly by means of cable that the plane connects to via a hook. Assume that a 21,000 lb jet touches down at 170 mph and its speed is reduced to zero in 240 ft Assuming constant deceler..
At this point you are getting very tired and would like to get back as quickly as possible, but all of the available trails seem to lead you deeper into the woods. You would like to take a shortcut directly through the woods (ignoring the trails)...
If an object is 30 cm in front of a convex mirror that has a focal length of 60 m, how far behind the mirror will the image appear to an observer? How tall will the image be?
a block of mass 2.5 kg is placed at a distance d=0.300 m from the spring. from this posistion the block is projected toward the spring with a speed v
You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is negligible friction between your feet and the ice. what is your speed after the collision
How many electrons flow through a light bulb each second if the current through the light bulb is 0.75A
A ball of mass 7 kg is thrown straight up in the earth's gravitational field with an initial speed v0 = 16 m/s. What is the initial kinetic energy of the ball
a soccer ball is kicked from the ground with an initial speed of 18.0 ms at an upward angle of 46.3. a player 53.2 m
Show how the de Broglie hypothesis for the wavelength of an electron can lead to an explanation of the condition for quantization of orbital angular momentum in the Bohr model for hydrogen atom.
Describe the displacement of the airplane when the radar was tracking it-RBA=RB-RA. What are the components of RBA.
An L-C circuit containing an 73.5-mH inductor and a 1.05-nF capacitor oscillates with a maximum current of 0.876 A. Calculate the maximum charge on the capacitor.
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