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a certain microscope is provided with objectives that have focal lengths of 16 millimeter 4 millimeter and 19
three point charges are placed as shown in the figure figure 1 the positive point charge has a value 65nc what is the
a submarine with a total volume of 686 m3 has an inner chamber capable of taking in 161m3 of water without changing the
two cars are momentarily side-by-side on the highway moving in the same direction car a is moving with an initial speed
determine what is the instantaneous power at a time of 000550 seconds dissipated by a 200 omega resistor in a resonant
a small object begins a free-fall from a height of h 825 m at t0 0 s after 260 s a second small object is launched
the emf of an ac circuit has an rms value of 120 volta determine what is the maximum positive emfb determine what is
a moving and accelerating streetcar travels 200 m during a street crossing in 240 s it continues to accelerate after
discover the electrostatic potential energy of a cubical configuration of point charges as shown in the figure each of
you have annoyed the local crime boss who has had his thugs nab you and dump you in the trunk of a lincoln in searching
discover the electric field produced with an infinitely long cylindrical shell whose uniform surface density is ie this
a transverse wave is travelling on a string the displacement y of a particle from its equilibrium position is given
a dipole is modelled as a neutral bar of length 300 cm with a positive charge q 6000 c at one end and the same amount
the siren on an ambulance is emitting a sound whose frequency is 2350 hz the speed of sound is 343 ms a if the
for the following suppose a star is at a distance of 20 parsec from earth compute the following only numbers and units
assuming the moon orbits the earth in a circular pattern which completes a 2 pi rotation circumference in 295 days and
two wires are parallel and one is directly above the other each has a length of 558 m and a mass per unit length of
a small piece of dust of mass m 14 microg travels during an electric air cleaner in which the electric field is 483 nc
the mass of a string is 96times10-3 kg and it is stretched so that the tension in it is 200 n a transverse wave
a tuning fork with frequency 540 hz is dropped from a building of height 125 m by a musician the musician can hear the
the best leaper in the animal kingdom is the puma which can jump to a height of 37 m when leaving the ground at an
a figure skater glides along a circular path of radius 251 m1 if she coasts around one half of the circle find the
white light passes from quartz to air with an incident angle of 317deg1 discover the angle among the colors blue 470 nm
an ion experiences a magnetic force of 5910-16 n when moving in the positive x direction but no magnetic force when
a linear object that is h 216 m tall is placed a distance a 0610 m from a small light source a shadow is produced on