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Question: A very long insulating cylinder of charge of radius 2.10cm carries a uniform linear density of 15.0nC/m. If you put one probe of a voltmeter at the surface,
Part A: how far from the surface must the other probe be placed so that the voltmeter reads 200V?
I know the correct answer for above question but explain how to get this answer! Thanks.
A ball of mass 0.640 kg moving east (+x direction) with a speed of 3.20 m/s collides head-on with a 0.480 kg ball at rest. If the collision is completely elastic, what will be the speed and direction of each ball after the collision?
Minh pulls a 10-kg crate on a rough inclined ramp with a cable tension F, directed towards the top and parallel to the plane. The angle of inclination of the plane is 30 and the coefficients of static and kinetic friction between the block and the in..
A helicopter lifts a 81 kgastronaut 20 m vertically from theocean by means of a cable. The acceleration of the astronaut isg/10. What is the speed of the astronaut just before she reaches thehelicopter
Compute the force exerted on the palm of your hand by the beam of a 1.0W flashlight (a) if your hand absorbs the light and (b) if the light reflects off your hand
The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to just after the impact. Which of the following are right.
Find the center of mass of a system composed of three spherical objects with masses of 3.4kg , 2.3kg , and 4.2kg and centers located at (-6.2m , 0), (2.0m , 0), and (2.8m , 0), respectively.
describe the enery transformations that take place as you swing on a swing.why do you have to keep pumping to keep swinging as high? what happens if you stop pumping
in a mass spectrometer singly-ionized atoms or molecules charge e are first accelerated by a potential difference v
The plane of a rectangular coil, 4.0cm by 8.0 cm, is perpendicular to the direction of a magnetic field, vector B . If the coil has 50 turns and a total resistance of 8.0 Ω, at what rate must the magnitude of vector B change to induce a current of..
what is the saturation activity of 24na that can be induced in a 400 g sample of nacl with a constant thermal-neutron
In a certain chemical process, a lab technician supplies 231J of heat to a system. What is the increase in the internal energy of the system
an air bubble has a volume of 1.35 cm3 when it is released by a submarine 105 m below the surface of a lake. what is
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