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an object is located 40 centimeter in front of a lens of focal length 40 centimeter a second lens is placed 17
an old campfire is uncovered during an archaeological dig its charcoal is found to contain less than 1950 the normal
the illuminance of direct sunlight on earth is about 105 lmm2a calculate the luminous flux of the sunb calculate the
a certain species of ionized atoms produces an emission line spectrum according to the bohr model but the number of
you are in charge of testing or designing a new amusement park ride at the end of the ride the 1200 kilogram cart
two identical piano wires have a fundamental frequency of 699 hertz when kept under the same tension find what
an object that is 550 centimeter tall is located 36 centimeter in front of a diverging lens the magnitude of the focal
a bullet is fired with a horizontal velocity in the positive x direction of 900 meter per second from the top of an 10
cars are tested by smashing them into fixed massive barriers at 53 kilometer per hour 33 miles per hour a new model of
mars has two small moons orbiting around it deimos and phobos both are tiny and irregular in shape and believed to be
a metal surface is susceptible to a photoelectric threshold frequency of 8529 x 1014 hertz will the monochromatic uv
the space of an ion in a particle accelerator is doubled from 04500c to 09000c the particles initial relativistic
a spacecraft with circular north and south sides of diameter 32 meter passes earth moving eastward in relation to you
a 550 grams coin is placed 14 centimeter from the center of a turntable the coin has static and kinetic coefficients of
an object is located to the left of a lens and a real image is formed to the right of the lens the image is inverted
the owner of a van installs a rear-window lens that has a focal length of -0301 meter when the owner looks out through
two negative point charges q -26 x 10-19 c and q2 -64 x 10-19 c and a proton p lie on a straight line with separation
an inductor has an inductance of 90 mh if there is a steady dc current of 0215 a passing through the inductor evaluate
the current in a coil with self inductance of 90 mh increases from 035 amp to 100 amp in 05 s determine what is the
a proton experiences a force of 245 x 10-15 n on it as it travels 3000 meter per second perpendicular to a magnetic
determine how much energy is transported across a 115 cm2 area per hour by an em wave whose e field has rms strength of
a 275 amp current flows in a long straight wire obtain the strength of the resulting magnetic field at a distance of
a very thin 25 centimeter copper bar is aligned horizontally along the east-west directiona if it moves horizontally
a coil of wire with 230 circular turns of radius 3 centimeter is in a uniform magnetic field along the axis of the coil
a circular area with a radius of 620 centimeter lies in the x-y planea find the magnitude of magnetic flux through this