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A non conducting thin spherical shell of radius 6.36 cm has a uniform surface charge density of 5.19 nC/m2. What is the total charge on the shell?
1. What is the magnitude of the electric field at a distance of 7.45 cm from the center of the shell?
2. What is the magnitude of the electric field at a distance of 2.35 cm from the center of the shell?
A helicopter, starting from rest, accelerates straight up from theroof of a hospital. The lifting force does work in raising thehelicopter. An 810-kg helicopter rises from rest to a speedof 9.0 m/s in a time of 3.5s. During this time it climbs to a h..
You have a 1.93-m-long stretched string with a mass of 19.5 g. When you oscillate the string at 440 Hz, Calculate the tension in the string
the henrys law constant kh for carbon monoxide co in water at 25oc is 9.71x10-4 moll.atm . how many grams of co will
a circular polarized electromagnetic wave in vacuum with e xhatacoswt-bzyhatdsinwt-bz hits under brewsterangle a plane
A large gate weighing 145 N is supported by hinges at the top and bottom of the wooden frame, and is further supported by a wire. What is the sum of the vertical forces on the hinges
For an equilateral prism, the angle of incidence of 49 degree at boundary 1, Calculate the angle of refraction at boundary 2
You have a thin metal sphere of unknown volume that contains helium gas at low pressure. Given that the volume of the metal sphere, pressure gauge, etc., was 341 mL, how many moles of helium gas would you have
A piece of sandston with a bulk volume of 1.3 cc is contained ina 5-cc cell filled with helium at 760 mm Hg. Temperature ismaintained constant and the cell is opened to another evacuatedcell the same volume. The final pressure in the two vesselsis 33..
A swing is made from a rope that will tolerate a maximum tension of 8.0 102 N without breaking. What is the mass of the heaviest person
An eagle is flying horizontally at 6.2 m/swith a fish in its claws. It accidentally drops the fish. How much time does it take before the fish's speed doubles?
7.3-kg box is being lifted by means of a light rope that is threaded through a single, light, frictionless pulley that is attached to the ceiling. If the box is being lifted at a constant speed of 2.0 m/s, what is the power delivered by the person ..
The sound level measured in a room by a person watching a movie on a home theater system varies from 65 dB during a quiet part to 95 dB during a loud part
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