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an air filled parallel plate capacitor has plates of area 50cm2 each separated by 030 mm with a dielectric of constant
the following charges are located inside a submarine 15 micro coulomb -9 micro coulomb 25 micro coulomb and -31 micro
x-rays are scattered from a target at an angle of 560 degrees with the direction of the incident beam find the
red light of wavelength 6660 nm produces photoelectrons from a certain photoemissive material green light of wavelength
a 24-v battery is connected in series with a resistor and an inductor with r 42 and l 60 h respectivelya find the
a 230-yr-old astronaut named ashlin travels at speed 800c to a star 332 ly from earth find the distance between earth
a spherical mirror is to be usedto form on a screen located 450 m from the object an image five times the size of the
lightening produces a maximum air temperature around 3 x 10 4 k using wiens law find the wavelength of the thermally
a laser peripheral iridotomy is a procedure for treating an eye condition known as narrow-angle glaucoma in which
in the hydrogen atom the radius of orbit b is 16 times greater than the radius of orbit a the total energy of the
the nucleus of the hydrogen atom has a radius of about 11 x 10-15 m the electron is at a distance of about 52 x 10-11 m
a particle has a de broglie wavelength of 29 x 10-10m then its kinetic energy increases by a factor of 5 what is the
an ac power generator produces51a rms at 3600 v the voltage is stepped up to 100000 v by an ideal transformer and the
you have a 17 long copper wire you want to make an n-turn current loop that generates a 16 magnetic field at the center
x-rays with wavelengths of 02597 nm are detected at a scattering angle of 170deg in a compton-scattering experiment
in opening the door a person pushes at a point on the door 65 cm from the hinges with a force of 50 n that is directed
when a30microf capacitor is connected to a generator whose rms output is29v the current in the circuit is observed to
the maximum pressure that can be obtained in your local mechanics hydraulic pump is 20 x 105 pa the piston has a mass
find the force exerted by reflecting sunlight off a reflecting aluminum sheet in space if the area normal to the
the period of a particular satellite is exactly 24 hours how high above the surface of the earth is it orbiting the
you are standing on the surface of a small spherical moon whose radius is 630 x 104 m and mass of 800 x 1018kg an
a cd-rm starts from the rest and undergoes uniform angular acceleration until it reaches 26000 rpm in 025s though what
an attacker at the base of a castle wall 365 m high throws a rock straight up with speed 740 ms from a height of 155 m
collectible coins are sometimes plated with gold to enhance their beauty and value consider a commemorative
a 133kg dense mass is on the end of 450m stringa what would be the period of the pendulum on earthb if the mass was