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a light ray is incident on the surface of water n 133 at an angle of 60 degree relative to the normal to the surface
a diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 degree relative to the normal if
a 45kg ball with a velocity of 44ms in the x-direction collides head-on elastically with a stationary 18kg ball1 what
engine 1 has an efficiency of 019 and requires 6000 joule of input heat to perform a certain amount of work engine 2
light strikes a diamond n 242 immersed in glycerin n 1473 at an angle of 60 degree relative to the normal to the
two wires are parallel and one is directly above the other each has a length of 50 meter and a mass per unit length of
at a county fair two children ram each other head-on while riding on the bumper cars jill and her car traveling left at
three resistors are connected to a 54 v battery r13omega r2601omega r34omega estimate the current through each resistor
in walking across a carpet you acquire a net negative charge of 60 muc find how many excess electrons do you
an electron and a proton are separated by 33 nma evaluate the magnitude of the force on the electronb evaluate the net
1 why should the voltmeter and ammeter be read simultaneously to decide the resistance of a circuit component2 if a
the string on a string bass vibrates at a fundamental frequency of 54 hertz if the strings tension were increased by a
a string is fixed at both ends and is vibrating at 117 hertz which is its third harmonic frequency the linear density
the union won the civil war but did the north succeed or fail to attain a reasonable level of social equality and
a train with a total mass 700e6kg rises 620m as it travels a distance of 910 km along a steady slope at a constant
the sahara desert with a very arid climate is one of the hottest regions in the world its average temperature is above
1 discover the magnitude of the linear momentum of a 1200 kg automobile traveling at 50kmh2 a 24kg mud ball drops from
the frequency of a light who in air is 46e14 find the wavelength of this wave after it enters a pool of
a cubic wooden block partially floats in a fresh water pool the cube has side length of 10 centimeter and has a density
a 170 pf capacitor is charged to a potential dissimilarity of 90 v and the charging battery is disconnected the
a yo-yo has a mass of 0604 kilogram a moment of inertia of 001 kgm2 and a string that is 0592 meter in length if it
three charges q 0320 c form an equilateral triangle 170 m on a side using energy that is supplied at the rate of 076
a 200 kilometer long high voltage transmission line 2 centimeter in diameter carries a steady current of 1000 amp if
a solid cylinder of radius 0 cm and mass 9 kg starts from rest and rolls without slipping down a 32deg incline that is
green light has a wavelength of 54 x 10-7 meter compute the frequency of this em-wave in