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an entomologist examining an insect adjusts the position of hermagnifying glass so that the image of the insect is at
a parallel-plate capacitor has circular plates of 101 cm radiusand 128 mm separation a calculate the capacitance in
calculate the angular momentum of a solid uniform sphere witha radius of 0120m and a mass of 140kg if it is rotating
the capacitor in fig 25-26 has a capacitance of 32 microf and isinitially uncharged the battery provides a potential
a large wooden turntable in the shape of a flat disk has aradius of 200m and a total mass of 120kg the turntable
a proton is to orbit earth at the equator using earths magnetic field to supply part of the necessary centripetal
a 55 kg engineer leaves her office on the 33rd floor of askyscraper and takes an elevator to the 59th floor later
two blocks of mass ma and mb resting on africtionless table are connected by a stretched spring and then released a is
a point charge causes an electric flux of -300nm2c to pass through a spherical gaussian surface of110 cm radius
an ultrasonic ruler displays the distance between the ruler and an object such as a wall the ruler sends out a pulse of
a thin film of acetone n 125 coats a thick glass plate n150 while light is incident normal to the film in the
a long uniform rope with amass of 0130 kg per meter lies on the ground you grab oneend of the rope and lift it at the
a rock weighing 7538 n rock with a volumeof 47 l is completely submerged inmercury the density of mercury is 136 kgla
a 53-kg womancontestant on a reality television show is at rest at the south endof a horizontal 149-kg raft that
a weather balloon is designed to expand to a maximum radius of20 m at its working altitude wherethe air pressure is
an excited argon ion in a gas discharge radiates a spectralline of wavelength 450 nm the transition from the excited to
a wire carries a current of 0651 a this wire makes an angle of 566deg with respect to a magnetic field of magnitude
a taut string forwhich mu500x10-2 kgmis under a tension of 800 n how much power must be supplied to the string to
a block is connected between two springs on a frictionless horizontally level track the other end of each spring is
a diverging lens with a focal length of -14 cm is placed10 cm to the right of a converging lenswith a focal length of
a crate with a weight of 50n rests on a horizontal surface a person pulls horizontally on it with a force of 10n and it
a spring is attached to an overhead beam if you put a mass of 17 0 g on it and it proceeds to stretch a distance of 7
when a capacitor battery and resistor are connected in series does the resistor affect the maximum charge stores on the
two equal charges q are separated by a distance d one of the charges is released and moves away from the other due to
in a location where the speed of sound is 330 ms a 2000 hz sound wave impinges on two slits 30cm aparta at what angle