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in compressing the spring in a toy dart gun 02 joule of work is done when the gun is fired the spring gives its
a double-slit experiment is performed using a helium-neon laser with wavelength of 6328 nanometer the slit distance is
a laser beam is incident on two slits with a separation of 0170 millimeter and a screen is located 545 meter from the
two slits are separated by 0270 millimeter a beam of 570 nm light strikes the slits producing an interference
an alpha particle charge 2e is located at a position in space where the electric potential is 2000 volts evaluate the
a 20 kilogram greased pig is at the top of a 32 meter high frictionless hill moving with a speed of 60 ms determine
two charged dust particles exert a force of 65 x 10-2 newtons on each other evaluate what will be the force if they are
determine what is the magnitude of the force a 26 uc charge exerts on a 34 mc charge 44 meters
three positive particles of equal charge 17uc are placed at the corners of an equilateral triangle of side 150
one electron collides elastically with a second electron initially at rest after the collision the radii of their
a current of 170 ma is maintained in a single circular loop of 240 meter circumference a magnetic field of 0570 t is
a cyclotron designed to accelerate protons has an outer radius of 0570 meter the protons are emitted nearly at rest
light of wavelength 420 nanometer is incident normally on a diffraction grating the ninth-order maximum of the
an objects distance from a converging lens is 437 times the focal lengtha evaluate what the location of the image
the projection lens in a certain slide projector is a single thin lens a slide 249 millimeter high is to be projected
point charges of 300 microc and 490 microc are located 0500 meter aparta find at what point along the line connecting
a professor office door is 091 meter wide 20 meter high and 40 centimeter thick has a mass 25 kilogram and pivots on
an electron is released from rest at the negative plate of a parallel plate capacitor the charge per unit area on each
four point charges have the same magnitude of 247 x 10-12 c and are fixed to the corners of a square that is 365
the 1 centimeter long second hand on a watch rotates smoothlya evaluate what is its angular velocityb determine what is
an electrically neutral model airplane is flying in a horizontal circle on a 25 meter guideline which is nearly
an object with a constant acceleration has velocity of 12 meter per second when its position is x 8 meter at another
if transverse waves on a string travel with a velocity of 20 meter per second when the string is under a tension of 30
a bulk modulus of aluminum is 71 x 1010 nm2 if the density of aluminum is 27 x 103 kgm3 then compute what is the speed