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the maximum wavelength for which an electromagnetic wave can eject electrons from a platinum surface is 196 nm when
when high-energy charged particles move through a transparent medium with a speed greater than the speed of light in
a diffraction grating produces a first order bright fringe that is 0156 m away from the central bright fringe on a flat
an rcl circuit connected in series has r180 ohms c1280 farad l20 henries and an applied voltage et10sint assuming no
a space vehicle is traveling at 4150 kmh relative to the earth when the exhausted rocket motor is disengaged and sent
when uranium 92u235 decays it emits a ray if the emitted ray has a wavelength of 197 x 10-11 m determine the energy in
a 256 kg wooden raft floats on a lake when a 80 kg man stands on the raft it sinks 90 cm deeper into the water when he
a rod is measured to be exactly 1980 cm long using a steel ruler at a temperature of 211degc both the rod and the ruler
a satellite of mass 190 kg is placed into earth orbit at a height of 600 km above the surfacea assuming a circular
a child playing in a swimming pool realizes that it is easy to push a small inflated ball under the surface of the
you observe that a solid cube of some material floats on the surface of an oil puddle at a service station with 687 of
a petite young woman distributes her 540n weight equally over the heels of her high-heeled shoes each heel has an area
00024 j of energy are stored in a parallel-plate capacitor whose plates each have area 030 m2 and are 15 mm apart what
you have a sample of xenon in a rectangular container the gas exerts a total force of 337 n perpendicular to one of the
calculate the force on an airplane which has acquired a net charge of 1650 microc and moves with a speed of 130 ms
the gps network consists of 24 satellites each of which makes two orbits around the earth per day each satellite
the second-order dark fringe in a single-slit diffraction pattern is 140 mm from the center of the central maximum
a spherical planet is discovered by astronomers orbiting a star which has the same mass as our sun the orbital period
a resistor with r300 and an inductor are connected in series across an ac source that has voltage amplitude 500 v the
a hypothetical nh molecule makes a rotational-level transition from l 3 to l 1 and gives off a photon of wavelength
a dentist wants a small mirror that when 300 cm from a tooth will produce a 45x upright imagewhat must its radius of
one solenoid is centered inside another the outer one has a length of 500 cm and contains 6750 coils while the coaxial
a mass system with a spring constant of 660 nm undergoes simple harmonic motion with a period of 0628 sa what is the
a heat engine has a useful work output of 40 kj and expels 80 kj of exhaust energy in each cyclea find the energy taken
when 50 g of steam at 100c is added to some water at 20 c inside an insulated container the final temperature of all