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the telescope at yerkes observatory in wisconsin has an objective whose focal length is 194 meter its eyepiece has a
a simple pendulum uses a steel wire as the string the length of this wire is 15 meter at room temperature if the
an fm radio station broadcasts at 966 mhz compute the wavelength in meters of this radio wave radio waves travel at the
a large punch bowl holds 380 kilogram of lemonade which is essentially water at 25oc a 540 x 10-2 kilogram ice cube at
a small airplane flies in a flies in a straight line at a speed of 750 kilometer per hour find how many hours or
a 12 centimeter diameter circular loop of wire is located in a 050 t magnetic field when the plane of the loop is
a 57 kilogram woman stands at the rim of a horizontal turntable having a moment of inertia of 455 kgbullm2 and a radius
a circuit component operates at 20 volt and 050 amp a transformer with 300 turns in its primary coil is used to convert
a uniform rod of mass 120 gram and length 50 centimeter rotates in a horizontal plane about a fixed vertical
a particle of mass 0400 kilogram is attached to the 100 centimeter mark of a meter stick of mass 0200 kilogram the
a hydraulic lift in a garage has two pistons a small one of cross-sectional area 450 cm2 and a large one of
a 160 kilograms box is moving to the right with speed 850 meter per second on a horizontal frictionless surface at t 0
an object is located 40 centimeter in front of a lens of focal length 40 centimeter a second lens is placed 17
an old campfire is uncovered during an archaeological dig its charcoal is found to contain less than 1950 the normal
the illuminance of direct sunlight on earth is about 105 lmm2a calculate the luminous flux of the sunb calculate the
a certain species of ionized atoms produces an emission line spectrum according to the bohr model but the number of
you are in charge of testing or designing a new amusement park ride at the end of the ride the 1200 kilogram cart
two identical piano wires have a fundamental frequency of 699 hertz when kept under the same tension find what
an object that is 550 centimeter tall is located 36 centimeter in front of a diverging lens the magnitude of the focal
a bullet is fired with a horizontal velocity in the positive x direction of 900 meter per second from the top of an 10
cars are tested by smashing them into fixed massive barriers at 53 kilometer per hour 33 miles per hour a new model of
mars has two small moons orbiting around it deimos and phobos both are tiny and irregular in shape and believed to be
a metal surface is susceptible to a photoelectric threshold frequency of 8529 x 1014 hertz will the monochromatic uv
the space of an ion in a particle accelerator is doubled from 04500c to 09000c the particles initial relativistic
a spacecraft with circular north and south sides of diameter 32 meter passes earth moving eastward in relation to you