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the mutual inductance between two coils is 0100h the current in the first coil changes uniformly from 270 a to 50 a in
a boat takes 26 hrs to travel 50 km down a river then 56hrs to returnhow fast is the river
a clamped mechanical device such as a metal ruler oscillates in vacuum at a frequency assume there is no damping in
the membrane of the axon of a nerve cell is a thin cylindrical shell of radius r 10-5 m length l 021 m and thickness
red light from three separate sources passes through a diffraction grating with 550times105 linesm the wavelengths of
an ice skater with mass of 50 kg pushes off from the wall of an ice rink she begins at rest and after letting go of the
a spring with constant k 10 nm is attached to a block the other end of the spring is pulled by a motorized toy train
if a lab student determines the coeffient of linear expansion of aluminum is 264 x 10-6 what is that students percent
the load bearing piston in a certain hydraulic has an area 50 times as large as the input piston if the larger piston
a 53times102-t magnetic field passes through a circular ring of radius 35cm at an angle of 14 degrees with the normal
a 43-kg girl is bouncing on a trampoline during a certain interval after leaving the surface of the trampoline her
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult the
a person pulls a toboggan for a distance of 348 m along the snow with a rope directed 322 degrees above the snow the
you are moving into an apartment and take the elevator to the 6th floor suppose your weight is 750 n and that of your
a large storage tank open to the atmosphere at the top and filled with water develops a small hole in its side at a
a bucket of water with a mass of 20 kg is attached to a rope that is wound around a cylinder the cylinder has a mass of
what are the possible value for of n and m if a l 1 b l 4 and c l 0 compute the minimum possible energy for each
orb spiders make silk with a typical diameter of 015 a typical large orb spider has a mass of 050 a if this spider
a shopper in a supermarket pushes a cart with a force of 52 n directed at an angle of 25deg below the horizontal the
assuming each quadrant of the pizza to be the same find the center of mass of the uneaten pizza above the axis that is
a modern sculpture has a large horizontal spring with a spring constant of 276 nm that is attached to a 490-kg piece of
two 100 cm diameter electrodes 052 cm apart form a parallel-plate capacitor the electrodes are attached by metal wires
a deuteron is accelerated from rest through a 10-kv potential difference and then moves perpendicularly to a uniform
two 100 cm -diameter electrodes 052 cm apart form a parallel-plate capacitor the electrodes are attached by metal wires
an 81 mm focal-length lens is used to focus an image on the film of a camera the maximum distance allowed between the