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(a) What magnification is produced by a 0.150 cm focal length microscope objective that is 0.175 cm from the object being viewed?
(b) What is the overall magnification if an eyepiece that produces a magnification of 7.90x is used?
(c) Jupiter subtends an angle of 1.67 x 10-4 rad when viewed by the unaided eye and 3.25 x 10-2 rad when viewed through an astronomical telescope that has a 0.035-m focal length eyepiece. Determine the focal length of the telescope's objective lens.
A uniform electric field with a magnitude of 5650 N/C points in the positive x direction. Obtain the change in electric potential energy when a +16.0 μC charge is moved 4.50 cm in the negative x direction
A gasoline engine has a power output of 155kW (about 2.08×105hp ), Its thermal efficiency is 26.0%, How much heat must be supplied to the engine per second
A suvey ship on an oceanographic mission sends out a test sound and detects the echo of the wave reflected from the ocean floor directly below 1.291 s later. How deep is the ocean at this point
A 115mg plastic bead has a radius of 364um and is charged by the addition of 1.56 x 1010 excess electrons. What is the charge density of the bead
A concave mirror in an amusement park has a radius of curvature of 4.0 m. A child stands in front of the mirror so that she appears 2.5 times taller than her actual height. how far is she standing from the mirror
A 8.01 nC charge is located 1.81 m from a 4.06 nC point charge. Find the magnitude of the electrostatic force that one charge exerts on the other
Light from a laser (? = 640 nm) passes through a diffraction grating and spreads out into three beams as shown in the figure. Determine the spacing between the slits of the grating
A 400 g mass is suspended from a thread 45 cm long that can sustain a maximum tension of 8.0 N before breaking. What is the maximum allowable amplitude for pendulum motion of this system
A small loop of area A=7.4 mm^2 is inside a long solenoid that has n=747 turns/cm, find the amplitude of the emf induced in the loop
Light known to be polarized in the horizontal direction is incident on a polarizing sheet. What angles does the transmission axis of the sheet make with the horizontal
The Kinetic coeffficient of friction for a 12Kg mass on a table is 0.25. A string from the mass goes across a pulley and is attached to an 8.0kg mass hanging over the side of the table. find the magnitude of the acceleration of each mass
Standard sea level pressure is approximately 1013 hPa andstandard surface temperature in the U.S Standard Atmosphere is 15degree C. What is the density of dry air under these conditions?
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