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a bar of mass m 050 kg lying on a horizontal plane with a friction coefficient k 010 is attached to the wall by means
a concave mirror is broken into two parts and these parts are separated by a distance if 1 cmthe focal length of the
if you jump from a desktop and land stiff-legged on a concrete floor you run a significant risk that you will break a
the speed of light in vacuum is sim 3 x 108 msa determine the speed of light inside a fiber with a core refractive
a ge-doped silica fiber has an attenuation loss of 12 dbkm due to rayleigh scattering alone when light of wavelength 09
determine the maximum core radius of an optical fiber with n core 1460 and n clad 1457 so that it supports only one
two blocks of mass m1 250 kg and m2 600 kg are connected by a massless string that passes over a frictionless pulley
problem 01 liters of a diatomic gas y14 undergoes a thermodynamic cycle the gas is initially at a pressure of 1 atm
consider the series rc-circuit shown below for which r 810 kohm c 240 muf and e 355 v find the followinga the time
1 an air-track gliderm 04 kg is pushed against a hookes-law spring k 150 nm compressing the spring by 10 cm the
a rectangular rigid body is suspended with links o1a and o2b o1a and o2b are parallel and have the same length of l 2
a mechanism is shown in the following figure link abc has an arc slot with a radius of r 100mm the center of the arc
a wheel of radius b rolls without slipping at a constant speed v0 around a circular track of radius r the axle of the
a car of mass 1000 kg is initially at rest it moves along a straight road for 20 s and then comes to rest again the
inspector carol ketchum is in pursuit of a midnight chemical truck that has spread waste solvents mostly
blocks with friction a block of mass m1 rests on top of a block of mass m2 that rests on a horizontal surface a light
modal dispersion in a fiber occurs because propagating rays travel different distances in arriving at the output
1 for the x y and z components of the electric field over this region what is the magnitude of the field at the point p
three positive charges are arranged as shown at the corners of a rectanglefind the magnitude of the electric field at
a horizontal force f a of magnitude 190 n is applied to a 316 kg book as the book slides a distance d 070 m up a
the figure shows three forces applied to a trunk that moves leftward by 343 m over a frictionless floor the force
a physics student needs to loosen a large lock bolt the bolt takes 1500n-m to break free and loosen the student has a
a large solid steel y 18x1011 pa block l 5 m w 4 m h3 m is submerged in the mariana trench where the pressure is
three positive charges are arranged as shown at the corners of a rectangle find the magnitude of the electric field at
a certain physics teacher is hungry he sets a snare trapoutside his class for rabbits an unsuspecting student