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an aluminum ring of radius r1 500 cmand a resistance of 405 10-4 is placed around one end of a long air-core solenoid
a 6650kg iceberg with density 931 rm kgm3 is afloat in seawater with density 1030 rm kgm3a find the buoyant force on
a boy with a mass of 55 kg is hanging from a spring with a spring constant of 240 nm with what frequency does the boy
a spring hanging from the ceiling has an unstretched length of 80 cm a mass is then suspended at rest from the spring
a hydraulic lift has pistons with areas 065m2 and 550m2 and theyre at the same height with a 16kn force on the smaller
a small town stores its drinking water in a tower what should be the towers height if the gauge pressure of the water
a spring-loaded gun shoots a plastic ball with a launch speed of 31 ms if the spring is compressed twice as far what
since the period of a simple pendulum depends only on its length and g it was sometimes proposed to make a new standard
you combine two thin lenses by placing them in contact so that their axes coincide forming what is called a compound
an air-track glider is attached to a spring the glider is pulled to the right and released from rest at t 0s it then
two circular glass microscope slides of diameter 1 cm are separated by a water film of thickness t 10 mu m the water
the mars rover was deployed on the surface of mars in july 1997 at one point during its subsequent mission radio
a standing wave is formed in a stretched string that is 31 long what is the wavelength of the first harmonic what is
an engine removes 300 j from a reservoir at 290 k and exhausts 250 j to a reservoir at 200 ka what is its efficiencyb
a car travels at a constant speed around a circular track whose radius is22km the car goes once around the track in290s
a ping-pong ball has an average density of 00840 gcm3 and a diameter of 380 cm what force would be required to keep the
a vertical spring with a spring constant of470nm is mounted on the floor from directly above the spring which is
a 52g ice cube can slide without friction up and down a 26 degree slope the ice cube is pressed against a spring at the
a bird is flying directly toward a stationary bird-watcher and emits a frequency of 1380 hz the bird-watcher however
a horizontal circular platform rotates counterclockwise about its axis at the rate of 0891 rads you with a mass of 651
a 863-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity
the elastic energy stored in your tendons can contribute up to 35 of your energy needs when running sports scientists
when a certain liquid freezes it expands about 115 what would be the pressure increase inside an engine block if the
the nucleus of an atom consists of protons and neutrons no electrons a nucleus of a carbon-12 isotope contains six
a cyclotron designed to accelerate protons has a magnetic field of magnitude 0470 t over a region of radius 140 mwhat