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a 9kg object is suspended from the ceiling by a strong spring which then undergoes simple harmonic motion with a period
a spring is mounted to a vertical wall such that an object attached to the end of the spring is free to slide on a very
the store has a fire alarm which detects an increase in temperature the fire alarm circuit has a resistor r a
please respond to one 1 of the following three 3 bulleted itemsread the new york times article entitled from single
1 you are given four identical metal spheres with the following charges 4q 3q 1q -4q each sphere can be placed in any
the angle theta through which a disk drive turns is given by thetatabt-ct3 where ab and care constants t is in seconds
a if a capacitor has been left in a steady circuit for a long time what can you say about the current going through itb
a in the figure below what is the direction of the flux experienced by the loop of coilb if the current i is increasing
in this problem you will determine whether the magnetic field in the sun might affect the loss of angular momentum from
a 350 g ball is attached to a vertical spring the spring constant is 41 when released from rest how far does the ball
you push tangentially across the top surface of jell-o with a force of 037 n the top surface moves a distance of 105 mm
leah and arif now do a practice problemsuppose you are in a partially darkened room holding a flat piece of white
a circular loop has radius r and carries current i2 in a clockwise direction see figure the center of the loop is a
the long straight wire ab shown in the following figure carries a current of i1 100 a the rectangular loop whose long
two parallel wires are 485 cm apart and carry currents in opposite directions as shown in the following figure find the
consider the loop in the figure below what is the maximum induced emf in each of the following cases if a 600 cm2
there are 1050 grams of water in a container that has insulating sides and a heat-conducting base the container is
a 260 kg container made of silver is initially at room temperature 20 degree c 145 liters of warm water is poured into
an amoeba is 0266 cm away from the 0260 cm focal length objective lens of a microscope where is the image formed by the
a two metal cubes one copper cu and one aluminum al with 4 cm edges are arranged as shown in figure 1 find j the
one end of a 2 m aluminum rod is placed 06 cm from the end of a 2 m steel rod when the rods are at 293 k the other ends
an amateur astronomer wants to build a small refracting telescope the only lenses available to her have focal lengths
an aluminum wire is 10 m long 04 mm in radius and contains an electric field of 05 vmfinda the current in the wireb the
a very fast car traveling with a velocity of 035c passes an observer sitting on the side of the road a truck traveling
a rectangular loop a 014 m b 040 m is pushed into a space where there is uniform magnetic field with a speed of 460