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a glass beaker having a mass of 162 gram contains 325 ml of water both are at 25oc then 750ml of water at 90oc is added
a uniform magnetic field b with magnitude 12 mt is directed vertically upward throughout the volume of a laboratory
the outer edge of a rotating frisbee with a diameter of 29 centimeter has a linear speed of 37 ms determine the angular
a horizontal circular wire loop of radius 07 meter lies in a plane perpendicular to a uniform magnetic field pointing
a camera utilized by a professional photographer to shoot portraits has a focal length of 270 cm the photographer takes
an object with an average density of 920 kgm3 floats in a pan containing 500 cm3 of water ethanol is added to the water
white light spans the wavelength range among about 400 nm and 700nm if white light passes through two slits 031 mm
two facing surfaces of two large parallel conducting plates separated by 115 cm have uniform surface charge densities
a person with a nearsighted eye has near and far points of16 cm and 34 cm respectivelya assuming a lens is placed 20 cm
through a thunderstorm 38 s elapses between observing alighting flash and hearing the resulting thunder just about how
1 what is the spring constant k for amass spring system in terms of its period t and mass m use pi for pi t k and m as
light of wavelength 400 nm in vacuum is incident on a diffraction grating that has a slit separation of 12 x10-5 m the
light waves with two dissimilar wavelengths 632 nm and 474 nm pass simultaneously during a single slit whose width is
in a television set the power essential to operate the picture tube comes from the secondary of a transformer the
a light beam strikes a piece of glass at a 60 degree incident angle the beam includes two wavelengths 450 nm and 700 nm
a series circuit with a 12komega resistor a 120 v battery and a capacitor has a time constant of 55 musa compute the
a uniform beam of length 54 m and mass 12 kg supports a28 kg mass the cable is at an angle of 584 with the wall and the
a jet airplane in level flight has a mass of 866 times 104kg and the two wings have an estimated total area of 900m2 a
the top string of a guitar has a fundamental frequency of340 hz when it is allowed to vibrate as a whole along all its
a standing wave is established in a 85 cm long string fixed at both ends the string vibrates in four segments when
a coin placed 300cm from the center of a rotating horizontal turntable slips when its speed is 500cms a what force
the magnetic field associated with an electromagnetic wave has amplitude of 18 mut1 what is the intensity of this wave2
a uniform solid disk with a mass of 400 kg and a radius of0149 m is free to rotate regarding a frictionless axle forces
a constriction in a pipe reduces its diameter from 40 cm to 20cm where the pipe is narrow the water speed is 80ms where
suppose that earth is in circular orbit around the sun with kinetic energy k and potential energy u if u is taken to be