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holding a long rope by its upper end you lower itonto a scale the rope has a mass of 0169 kg per meter of lengthand is
a cylindrical copper rod of length 22 m and a cross-sectional area 50cm2 is insulated to prevent heat loss through its
a cyclotron with dee radius 530 cm is operated at an oscillatorfrequency of 120 mhz to accelerate protons a what
a long uniform rope with a mass of 0113 kg per meter lies on theground you grab one end of the rope and lift it at the
the launching mechanism of a toy gun consists of a spring ofunknown spring constant if its spring is compressed
a the interstellar medium dims by about 19 magnitudes1000pc what fraction of photons survive a trip of 1000 pcb if a
a man pushes a 24-kg box across a frictionless floor the box begins moving from rest he initially pushes on thebox
an airplane flying at a constant speed of 160 ms pulls out ofa dive in a circular arc the 80 kg pilot presses down on
a sample of gold of volume 20010-5 m3 is available to make a wire if the length of the wire is to be 500 cm and all the
as a protest against the umpires calls a baseball pitcherthrows a ball straight up into the air at a speed of 2000 ms
a 200-kg block slides down a board 150 mlong which is inclined at an angle of 400degthe coefficient of friction between
the person weighs 170 lb each crutch makes an angle of 220with the vertical half of the persons weight is supported by
two rigid rods are oriented parallel to each other and to the ground the rods carry the same current in the same
a box is sliding with a speed of 450 ms on a horizontal surface when at point p it encounters a rough section on the
a block of mass m is slides down africtionless inclined surface the height of the block changes from h at the top to
how many energetically different eclipsed conformations does 1-bromo-2-methylpropane viewed along the c1- c2 bond
an 876-mh inductor anda 637-microf capacitor areconnected in series with a generator whose frequencyis 391 hz the rms
a converging lens has a focal length of 250 cm a ruler 300 cm in length is located 500 cm in front of the lens and
a positively-charged object with a mass of 0177 kg oscillates atthe end of a spring generating elf extremely low
a convex mirror has a radius of curvature of 500 cmnbsp a ruler 300 cm in length is located 250 cm in front of the
the shock absorbers in the suspension system of a car are in such bad shape that they have no effect on the behavior of
you have two springs one has a greater spring constant than theother you also have two objects one with a greater mass
in an experiment designed to measure the speed of light a laser isaimed at a mirror that is 470 km due north a detector
a 515- turn circular loop coil with a diameter of 166 cm isinitially aligned so that its plane is perpendicular to the
a solenoid of length 15 cm and radius 08 cm with 350 turns is in aexternal magnetic field of 400 t that makes an angle