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1 which one of the following choices represents the largest kinetic energy1 a leaf falls from a tree2 an oil tanker
a 40 cm wire is moved perpendicularly during a magnetic field of 032 t with a velocity of 15 ms if this wire is
a plane mirror made of a very thin piece of glass lies flat on the ground as shown in the following figure one end of
the light ray in the subsequent figure emanates from a point on one wall of a room and is incident on a plane mirror
an inkjet printer uses tiny dots of red green and blue ink to produce an image suppose that the dot separation on the
when monochromatic light shines vertically on a soap film n 133 with air on each side the second smallest nonzero film
a portion of a soap bubble appears yellow lambda 5880 nm in vacuum when viewed at normal incidence in white lightnbsp
a carnot engine has an efficiency of 0610 and the temperature of its cold reservoir is 376 k1 decide the temperature of
five thousand joules of heat is put into a carnot engine whose hot and cold reservoirs have temperatures of 480 and 320
a converging lens f 280 cm is utilized to project an image of an object onto a screen the object and screen are 124 cm
a double-slit interference experiment is performed by light from a laser the separation among the slits is 053 mm and
container a holds an ideal gas at a pressure of 50 x105 pa and temperature of 300 k it is connected with a thin tube
the focal length of a converging lens is 50cm an object is placed 30cm from the lens1 what is the image distance2 the
a light bulb has a resistance of 270 it is connected to a standard wall socket 120 v rms 600 hz1 decide the rms current
a capacitor is connected across an ac generator whose frequency is751 hz and whose peak output voltage is 140 v the rms
a woman with a mass 71 kg is standing on the rim of a large disk that is rotating at 042 revs about an axis during its
a diffraction grating is placed 100 m from a viewing screen light from a hydrogen lamp is passed during the grating and
a spacecraft has a non relativistic or classical momentum whose magnitude is 14times1012 kgmiddotms the spacecraft
a man is traveling on a bicycle at 14 ms along a straight road that runs parallel to several railroad tracks he hears
a train is moving parallel and adjacent to a highway with a constant speed of 25 ms a car at time t0 is 42 m behind the
describe how you would use a voltmeter to find equipotential lines for electrodes painted on carbonized conducting
two spaceships are launched from the earth in opposite directions all moves with the speed of 75c relative to the earth
an astronomical telescope is being utilized to examine a relatively close object that is only 10900 m away from the
designing an oceanographic mooring a mooring is a platform for placing scientific instrumentation in the water at a
a constant force is applied to an object causing the object to accelerate at 10 ms21 what will the acceleration be if