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for a charged hollow metal sphere with total charge q and radius r centered on the originselect trueor false for each
block 1 has mass m1 470 g block 2 has mass m2 510 g and the pulley is on a frictionless horizontal axle and has
a weather balloon is designed to expand to a maximum radius of 24 m at its working altitude where the air pressure is
a centripetal force of 235 n is experienced by a mass of 123 g as it is spun in a circular path with a radius of 250
it is currently popular for automobiles to use 10 ethanol 90gasoline mixtures lsquogasoholrsquo as fuel according
a baseball 015 kg and an electron both have a speed of 75 ms find the uncertainty in position of each of these objects
a centripetal force of 258 n is experienced by a 0625 gram object as it is spun in a circular path with a radius of 350
a strong lightning bolt transfers about 26 c to earth how many electrons are transferred the elementary charge is
a hypodermic syringe contains a medicine with the density of water see figure below the barrel of the syringe has a
a 050kg object is attached to an ideal massless spring of spring constant 20nm along a horizontal frictionless surface
a toy rocket engine lifts a mass of 45 kg to a height of 150 meters at this height the rocket is moving at 267 ms how
earths atmosphere it is found experimentally that the electric field in a certain region of earths atmosphere is
calculate the electric force between these two electrons the value of the coulomb constant 9 times 109 n middot m2c2
a sphere is charged with electrons to 5 times 106 c how many electrons make up this charge the elemental charge is 16
the center of mass between an uknown spacecraft and a probe of mass 105 kg is 1000 m from the probe if the spacecraft
a doppler blood flow unit emits ultrasound at 50mhz what is thefrequency shift of the ultrasound reflected from blood
a 160-lb gymnast is executing a series of full-circle swings on the horizontal bar in the position shown he has a small
a wave on the surface of the ocean with wavelength 44m is travelingeast at a speed of 18ms relative to the ocean floor
the speed of a 135-gram hockey puck decreases from 370 ms to 30ms while coasting a distance of 125 meters find the
the wavelength of violet light is about 430 nanometers or 43010-7 m the frequency of the violet light reflected from a
youve been sent to a new planet in order to determine the planets free-fall acceleration you throw a ball upwards with
two electrons in an atom are separated by 13 times 1010 m the typical size of an atom what is the force between them
a shuttle with a mass of 18000 kg is traveling at 6750 ms when retrorockets are fired to increase the shuttles speed
a 5 litters cylinder contains oxygen at 20 c and 101 kpa if the temperature increases by 15 c what is the final