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light shines during a single slit whose width is 860 10-4 m a diffraction pattern is formed on a flat screen located 40
a cylindrical storage tank has a radius of 108 m when full to a height of 307 m it holds 15500 kg of a liquid
an inductor and a resistor are connected in series when connected to a 60 hz 90 v rms source the voltage drop across
a pendulum consists of a 320-rm g solid ball150 rm cm in diameter suspended with an essentially mass less string 600 rm
a 30cm object is placed 80cm in front of a mirror the virtual image is 40cm further from the mirror when the mirror is
the threshold of dark-adapted isotopic vision is 60 multiplied by10-11nbspwm2 at a central wavelength of 450 nm if
an early main objection to the idea that earth is spinning on its axis was that earth would turn so fast at the equator
it has recently become possible to weigh dna molecules with measuring the influence of their mass on a nano-oscillator
if the shear stress in steel exceeds about 400 108 nm2 the steel rupturesa decide the shearing force necessary to shear
a satellite operates at an altitude of 20200 km and utilizes communication frequencies of157542 mhz find the
a potters wheel having a radius 045m and a moment of inertia 102kgmiddotm2 is rotating freely at 55 revmin the potter
the figure below shows four isotropic point sources of sound that are uniformly spaced on an x axis the sources emit
a lamp r 152 omega an electric heaterr 26 omega and a fan r 52 omega are connected in parallel across a 120 v linea
a wagon is rolling forward on level ground friction is negligible the person sitting in the wagon is holding a rock the
when you take a bath how many kilograms of hot water 51degc should you mix with cold water 12degc so that the
an aluminium baseball bat has a length of 087 m at a temperature of 21degc when the temperature of the bat is raised
a scientist notices that an oil slick floating on water when viewed from above has many dissimilar rainbow colours
problem 1 a metal cylinder of height h 08m and cross-section s 002m2 is floating upright in water the density of the
the equation given for klost simplifies to mmm if i am not mistaken this solution also gives 2 dissimilar values for v
water is streaming downward from a faucet opening by an area of 30 times 10minus5 m2 it leaves the faucet by a speed of
an electric field of approximately 100 vm is often observed near the surface of the earth if this were the field over
the height of a tower is measured with attaching a simple pendulum to its ceiling whose length is barely enough to stay
a strange quantum event occurs involving a 3 kg ball of cheese that splits into two 05 kg balls of chocolate momentum
a 250 turn solenoid having a length of30 cm and a diameter of 10 cm carries a current of 032 a compute the magnitude of
consider a wire which is uniformly charged with charge density lambda find what is the electric field everywhere using