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A microscope has an objective lens with a focal length of 12.0 mm. A small object is placed 0.8 mm beyond the focal point of the objective lens.
(a) At what distance from the objective lens does a real image of the object form?
(b) What is the magnification of the real image?
(c) If an eyepiece with a focal length of 2.5 cm is used, with a final image at infinity, what will be the overall angular magnification of the object?
A 45 g golf ball is pushed up a 30° ramp. The ball starts from rest and the length of the surface of the ramp is 5 m. What was the magnitude of the pushing force
how far is this point horizontally from the end of the ramp.
The rate of flow of water through a horizontal pipe is 1.98 m3/min. Determine the speed of flow in m/s at a point
The resistance of a bagel toaster is 14 ?. To prepare a bagel, the toaster is operated for one minute from a 120-V outlet. How much energy is delivered to the toaster
generator has a terminal voltage of 115 V when it delivers 18.0 A, alculate the emf (e m f) and the internal resistance (r) of the generator
Sam heaves a shot with weight 16-lb straight upward, giving it a constant upward acceleration from rest of 45.5m/s2 for a height 63.0cm, What is the speed of the shot when he releases it
What is the velocity of 5.5kg object with a force of 2.5N while it reaches 6.0 meters, assuming the velocity at zero meters is zero.
A rectangular loop of wire enter a 2.0 T magnetic field with velocity of 10 m/s, find the direction of the force experience by the wire
The sun can be considered an ideal blackbody radiator at a temperature of 5900K, What is the peak wavelength of the distribution
Two concentric conducting spherical shells produce a radially outward electric field of magnitude 49,000 N/C at a point 4.10 m from the center of the shells. find the amount of charge on the outer surface of the larger shell
A box of books is initially at rest a distance D = 0.530 m from the end of a wooden board. Find the speed of the box as it reaches the end of the board
A 3.5-kg block of iron (c=0.11 kcal/kgoC) that has been brought to a temperature of 1,063oC is placed on top of a 2.5-kg block of ice (c=0.5 kcal/kgoC) that has been cooled to -50oC
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