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a crate is pulled to the right with a force of 937 n to the left with a force of 1279 n upward with a force of 5636 n
a bottle has a mass of 2590g when empty and 9034g when filled with water when filled with another fluid the mass is
in exercise physiology studies it is sometimes important to determine the location of a persons center of mass this
two disks are rotating about the same axis disk a has a moment of inertia of 37 kg middot m2 and an angular velocity of
a small metal cylinder rests on a circular turntable that is rotating at a constant speed as illustrated in the diagram
assume that a certain location on the earth reflects 300 of the incident sunlight from its clouds and surface a if the
the primary coil of a transformer has n1 400 102 turns and its secondary coil has n2 120 103 turns if the input
an ac voltage of the form v 100 sin 1 000t where v is in volts and t is in seconds is applied to a series rlc circuit
a resistor r 900 a capacitor c 025 microf and an inductor l 35 h are connected in series across a 240 hz ac source
a generator delivers an ac voltage of the form v 90 v sin 95t to a capacitor the maximum current in the circuit is 150
gas is confined in a tank at a pressure of 90 atm and a temperature of 290degc if two-thirds of the gas is withdrawn
find the frequency of revolution of an electron with an energy of 500 ev in a magnetic field of 410 microt hz b
a 430-kg ball is dropped from a height of 145m above one end of a uniform bar that pivots at its center the bar has
a transformer with a turns ratio secondaryprimary of 180 is used to step down the voltage from a 120-v wall socket to
the average speed of blood in the aorta is 0294 ms and the radius of the aorta is 104 cm there are about 197 times 109
a 885 g block oscillates on the end of a spring whose force constant is k 56 nm the mass moves in a fluid which offers
you create a plot of t2 in s2 vs l in m and the linear fit of your graph gives a slope of 37484 plusmn 00069 what is
consider 1 cubic meter of dry at the surface with a temperature of 300 k and a pressure of 1000 mb problem 19 how much
a rectangular coil 21 cm by 40 cm has 105 turns this coil produces a maximum emf of 65 v when it rotates with an
a 475turn circular-loop coil170cm in diameter is initially aligned so that its axis is parallel to earths magnetic
a motor has coils with a resistance of27and operates from a voltage of242v when the motor is operating at its maximum
a coil with 150 turns a radius of 50cm and a resistance of 12 ohms surrounds a solenoid with 200 turnscm and a radius
determine the total impedance phase angle and rms current in an lrc circuit connected to a 90 khz 800 v rms source if l
two bumper cars moving on a frictionless surface collide elastically the first bumper car is moving to the right with a
a current of 4 a flows in a copper wire 8 mm in diameter the density of valence electrons in copper is roughly 9 times