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the focal length of a simple magnifier is 700 cm suppose the magnifier to be a thin lens placed very close to the eyea
an extremely thin film of soapy water n 126 sits on top of a flat glass plate with n 151nbsp the soap film has a red
a solid sphere of uniform density has a mass of 90 times104 kg and a radius of 27 m what is the magnitude of the
a mass on a spring has an angular oscillation frequency of 256rads the spring constant is 272 nm and the systems
a proton moves 68 cm on a path parallel to the direction of a uniform electric field of strength 28 nc what is the
a student throws a 0140kg ball straight upwards to a height of 720 m how much work did the student do ja 338 kg child
65kw is to arrive at a town over two 0100-omega lines estimate how much power is saved if the voltage is stepped up
a photon of wavelength 073130 nm strikes a free electron that is initially at rest the photon is scattered straight
a ball is thrown vertically upward by an initial speed of 11 ms one second later a stone is thrown vertically upward
two and only two full spectral orders can be seen on either side of the central maximum when white light is sent
a converging lens forms an image that is one half the size of the object when the object is placed 800 cm in front of
a constant force is applied to an object causing the object to accelerate at 10 ms21 what will the acceleration be if
the isotope of hydrogen that contains one proton and one neutron is called deuterium the mass of the atom is 2014102u1
a plate of glass by parallel faces having a refractive index of 151 is resting on the surface of water in a tank a ray
car a runs a red light and broadsides car b which is stopped and waiting to make a left turn cat a has a mass of 1800kg
an object is placed 57 cm from a concave mirror of radius 15 cma discover the location of the image enter a negative
the tower of doom at glitch gardens in denver colorado lifts15 people 50m into the air the engineers assume the average
a 20kg block is projected down a plane that builds an angle of 20 degree with the horizontal with an initial kinetic
a wheel starts from rest and rotates by constant angular acceleration about a fixed axis it completes the first
a solid square pinewood raft measures 30 m on a side and is 230 m thick what is the total mass of swimmers that the
it takes 760 ms for the current in and lr circuit to reach 60 percent of its maximum valuea decide the time constant of
at t0 a wheel rotating regarding a fixed axis at a constant angular acceleration has an angular velocity of 20 rads two
a light ray is traveling in a diamond n2419nbsp if the ray approaches the diamond-air interface what is the minimum
newtons dog diffy sees a flower pot sail up and then down past a 1 meter high window the pot is visible for a total of
a spherical concave mirror has a radius of curvature of 60cmnbsp at what distance from the mirror should a 60 cm object