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one end of a wire is attached to a ceiling and a solid brass ball is tied to the lower end the tension in the wire is
a man falls over while ten pin bowling he has a speed of 17 ms and a mass of 81 kg the coefficient of kinetic friction
an lc circuit consists of a capacitor c 352 microf and an inductor l 422 mh the capacitor is fully charged using a
johns face is 20 cm in front of a concave shaving mirror of focal length 30 cm how large an image does he
monochromatic lightwavelength 500 nm passes through two splits and onto a screen 25 m awaya if two nearby bright
consideragainfig112nowletthe14-kgweighthangfromthemid- dle of the lower arm 20 cm from the fulcrum calculate the biceps
a beaker is filled to the brim with water a solid object of mass 300 kg is lowered into the beaker so the object is
an unknown mass of tin is heated to a temperature of 218 c it is placed into 200 g of water which is in a 100 g copper
a vacationer floats lazily in the ocean with 95 of his body below the surface the density of the ocean water is 1025
during a lunar eclipse the moon earth and sun all lie on the same line with the earth between the moon and the sun the
a small 180-mm-diameter circular loop with r 100times10-2 ohms is at the center of a large 110-mm-diameter circular
suppose that a small incandescent light bulb r288 kilo ohms is connected to a standard european household ac electrical
a rotating circular solid metal ring sculpture mounted vertically on a swivel and rotates is located in hawaii where
suppose that by stirring 854 g of water you are able to increase its temperature from 19 degrees c to 21 degrees c find
a beam of hydrogen molecules h2 is directed toward a wall at an angle of 60deg with the normal to the wall each
the pendulum in a grandfather clock is made of brass and keeps perfect time at 178degc how much time is gained or lost
a person of mass 50 kg has a wavelength of 442 x 10-36 m when running how fast is she
a 30 kg mass is attached to a vertical spring hanging from the ceiling the spring and mass are stationary the spring
block of wood floats in fresh water with 0651 of its volume v submerged and in oil with 0890 v submerged find the
2 long parallel wires carry currents 20 a and 5 a in opposite directions the wires are separted by 20 cm what is the
an electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 350 mt the angular
a 200m by 300m plate of aluminum has a mass of 324kg what is the thickness of the
the siren of a fire engine that is driving northward at 300 ms emits a frequency of 2000 hz a truck in front of this
about 27 of the body of a person floating in the dead sea will be above the water line assuming that the human body
a skier starts down a 26 slope after a vertical drop of 28 m the slope temporarily levels out and then drops at 19 an