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The movable mirrror in a Michelson interferometer is displaced to give an interferogram with 1000 local maxima. If the illumination wavelength is 633 nm, how far did the mirror move?
A centrifuge in a medical laboratory rotates at an angular speed of 3800 rev/min. Find the constant angular acceleration of the centrifuge
0.0023 J of energy are stored in a parallel-plate capacitor whose plates each have area 0.30 m2, find the electric field energy density between the plates
A kaon is moving in the +x direction decays by this process, where that pi^+ is moving off at a speed of 0.9c in the +x-direction, determine the speed of the kaon before the decay
Objective questions based on work, energy, power.
two forces f1 and f2 are acting on a mass m6.0 kg. the force f1 5.0i 7.0j 2.0k in n. the acceleration of the mass is
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. The intensity level of these sounds can reach 95 dB, measured a distance of 4.5 m from the source.
A solid cylinder of radius .35m is released from rest from aheight of 1.8m and rolls down an incline without slipping, What is the angular speed of the cylinder when it reachesthe horizontal surface
Bowling balls can be made from a variety of substances and are required to have a circumference of roughly 27.8 inches. compute the thickness of the shell
an object with a 5.0 muc charge is acclerating at a 0.00050 ms due to an electrc filed. if the object has a mass of
A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory, What was the ball's launch angle
A string 1.50 m long will break if the tension in it exceeds 2X10^2N. How fast (in m/s) can a rock of mass 1.50 kg be whirled in a circular horizontal path if the string is not to break? Assume the rock moves on a smooth horizontal surface (No fri..
A person whose near-point distance is 52cm wears a pair of glasses that are 2.2cm from her eyes. Find the refractive power of her glasses
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