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suppose that the dipole moment associated with an iron atom of an iron bar is 24 x 10-23 jt assume that all the atoms
a parallel-plate capacitor with circular plates of radius 80 mm is being discharged by a current of 70 a at what radius
a flat piece of glass covers the top of a vertical cylinder that is completely filled with water if a ray of light
light traveling in air is incident on the surface of a block of plastic at an angle of 610degree to the normal and is
a concave mirror has a radius of curvature of 320cmwhat is its focal lengthf1 cmif the mirror is immersed in water
assume you have a monatomic gas with initial volume and pressure v1 and p1 respectively if you apply work on the gas to
particle x has a speed of 0960 c and a momentum of 170times10-18 kgmsa what is the mass of the particleb what is the
a how much energy is required to accelerate a spaceship with a rest mass of 112 metric tons to a speed of 0445 cnbspb
1 what velocity must be transferred to the spacecraft to crash it into the sun assume it is initially in a solar
an earth satellite has a speed of 29500 kmhr when it is at its perigee 230 km above earths surface find the apogee
a electrons accelerated by a potential difference of 1322 v pass through a gas of hydrogen atoms at room temperature
the index of refraction for a certain kind of glass is 1645 for violet light and 1615 for red light a ray of violet
two converging lenses having focal lengths of f1 111 cm and f2 200 cm are placed d 500 cm apart the final image is
two capacitors are connected in series let 330uf be the capacitance of first capacitor 520uf the capacitance of the
a light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 356deg
a ray of light strikes a flat 200-cm-thick block of glass n 154 at an angle of 292deg with respect to the normal see
in the bohr model of the hydrogen atom the electron moves in a circular orbit of radius 53 x 10-11 m with a speed of 22
oppositely charged parallel plates are separated by 526 mm a potential difference of 600 v exists between the plates a
in case a a metal bullet penetrates a wooden block in case b a rubber bullet with the same initial speed and mass
a the distance to a star is approximately 760 1018 m if this star were to burn out today in how many years would we see
a step-down transformer is used for recharging the batteries of portable devices the turns ratio n2n1 for a particular
an oil slick on water is 120nm thick and illuminated by white light incident perpendicular to its surface what color
an electron is in the n5 state of hydrogen to what states can the electron make transitions and what are the energies
the critical density of the universe is 580times1027 kgm3a assuming that the universe is all hydrogen express the
alpha particles of kinetic energy 500 mev are scattered at 90 degrees by a gold foila what is the impact parameterb