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a solid block is attached to a spring scale when the block is suspended in air the scale reads 233 newton when it is
capacitors of 5 microf 10 microf and 20 microf are connected in parallel to a 10 volt battery estimate the charge on
two different balls are rolled without slipping toward a common finish line their angular speeds are shown to the right
an electric stove place a 220 volt potential difference across a heating element that has a resistance of 25 find what
birds resting on a voltage lines is common the copper wire on which the bird stands is 22 centimeter in diameter and
at 20oc the carbon resistor in an electric circuit connected to a 5 volt battery have a resistance of 200 ohms find the
you need to design a 15 amp fuse that blows if the current exceeds 15 a the fuse material in your stockroom melts at a
your car is initially traveling at a speed of 23 meter per second as you approach an intersection you spot a dog in the
a barge on a still lake is moving toward a bridge at 10 meter per second when the bridge is 395 meter away the pilot
the biochemistry that takes place inside cells depends on various elements such as sodium calcium and potassium that
a student was tuned into 995 fm on the radio dial they found the length of half of the wavelength to be 148 meter
a driver makes an emergency stop and inadvertently locks up the brakes of the car which skids to a stop on dry concrete
a 0840 millimeter diameter silver wire carries a 50 ma currenta determine the electric field in the wireb determine the
the current in a 100 w light bulb is 0730 amp the filament inside the bulb is 0140 millimeter in diameterestimate the
two long straight parallel wires carry current in the similar direction if the wires are 24 centimeter apart and carry
a 25 g bullet traveling at 475 meter per second hits a tree and slows uniformly to a stop while penetrating a distance
a 10 volt battery is connected to a 25 centimeter long 05 millimeter diameter wire that has a resistivity of 168 x 10-8
a 20 muf capacitor is connected to a 10 volt battery and gains 40 muc charge in 8 mus find the average current to
an electron is traveling to the right in the plane of the paper and a uniform magnetic field are directed into the
a ball is thrown upward with a speed of 34 meter per second from the edge of a cliff of height h 14 meter find the
the critical angle for total internal reflection at a benzene-air interface is 418 degree a ray traveling in air has an
assume you wanted to store 24 muc of charge in a capacitor across a voltage of 120 volt determine what is the charge in
a ray of light in a vacuum has a frequency of 60 x 1014 hertz the ray then enters a liquid of refractive index 2 obtain
a bar magnet is moving with a velocity v in the plane of the page towards a conducting loop that is perpendicular to
an electron q 16 x 10-19 c moves at 45 x 106 ms in the y direction through a uniform magnetic field with magnitude 62