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A dissecting microscope is designed to have a large distance between the object and the objective lens. Suppose the focal length of the objective of a dissecting microscope is 5.0 cm, the focal length of the eyepiece is 4.0 cm, and the distance between the lenses is 32.0 cm.
(a) What is the distance between the object and the objective lens?
(b) What is the angular magnification?
Two parallel conductive plates of area 0.3m2 hold equal-but-opposite charges of magnitude 30?C on either side. calculate the electric field between the plates
A single loop of copper wire moves at an unknown constant speed v into a region of uniform magnetic field B = 5.00 T. Calculate the induced current in the copper wire loop
Compute the magnitude & direction of the current.
A proton moving at 7.20 106 m/s through a magnetic field of magnitude 1.74 T experiences a magnetic force of magnitude 7.40 10-13 N. What is the angle between the proton's velocity and the field
A wheelchair athlete is training on a stationary ergometer. Her wheel's angular velocity is 3 rev/s and diameter is 80.0 cm. What is the linear velocity at the wheel's circumference
Calculate the coil's self-inductance. If the current decreases uniformly from 5.00 to 2.00 in 3.00, estimate the self-induced emf in the coil.
A box weighing 900 N rests on a surface. A force of 500 N is pushing on the side of the box. find The magnitude of static friction acting on the box
A textbook of mass 2.10kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.190m, What is the tension in the part of the cord attached to the book
A piccolo and a flute can be approximated as cylindrical tubes with both ends open. What is the ratio of the piccolo's length to the flute's length
Pool players often pride themselves on their ability to impart a large speed on a pool ball. At what speed did his pool ball hit the ground
A particular organ pipe can resonate at 231 Hz, 385 Hz, and 539 Hz, but not at any other frequencies in between. Is it an open or a closed pipe? What is the fundamental frequency of this pipe.
What is least value for which stick remain in equilibrium
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