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an earth satellite moves in a circular orbit 646 km above earths surface with a period of 9744 min what are a the speed
a light wave has a 670 rm nm wavelength in air its wavelength in a transparent solid is 420 rm nm what is the speed
a 014-kg pinecone falls 16m to the ground where it landswith a speed of 13ms a with what speed would the pinecone have
a football kicker can give the ball an initial speed of 31 ms what are the a least and b greatest elevation angles at
a 3 x 102 kg piano is being lifted at a steady speed from groundlevel straight up to an apartment 100 m above the
a 100 rm cm-long solenoid of diameter 0400 rm cm is wound uniformlywith 800 turns a second coil with500 turns is round
the drawing shows a positive point charge q1 a second pointcharge q2 taht may be positive or negative and a spot
a 44-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 ofits own engines and a steam-powered catapult the
a person pulls a toboggan for a distance of 333 m along the snowwith a rope directed 207 deg above the snow the tension
a rectangular loop of wire that is 11cm wide and 21 cm long lies in thexmdashy plane the loop is in a region wherethe
a long straight wire is carrying a current of 24 a in a region where the magnetic field is perpendicular to the wire if
a capacitor is connected in series with a resistor and a switch with the switch open the capacitor is charged to 90 v
a 860-muf capacitor is connected to a generator operating at a low frequency the rms voltage of the generator is 460 v
a steel ball is fastened to a cord and is released from rest when the string is horizontal at the bottom of its path
particles p and q areinitially at rest 10 m apart p has a mass of010 kg and q a mass of 030kg p and q attract eachother
a speeder is pulling directly away and increasing his distance from a police car that is moving at 260 ms with respect
a container is filled with water to a depth of 483 cm on top ofthe water floats a 244 cm thick layer of oil with a
when a resistor is connected across the terminals of an acgenerator 112 v that has a fixed frequency there is a current
a man pushes a lawn mower on a level lawn with a force of 212n if 52 of this is directed downward how much work is done
a 022-kg ball on a stick is whirled on a vertical circle at aconstant speed when the ball is at the three
nbspat amusement parks there is a popular ride where the floor of arotating cylindrical room falls away leaving the
a particle of mass m in an infinite well has its initial wavefunction psi x0 apsi1x psi3x where psi1x and psi3x are
an ideal gas expands at a constant total pressure of 30 atm from 400 ml to 600 ml heat then flows out of the gas at a
a mass of 25 kg is suspended from the end of aspring the other end of the spring is attached to the ceiling