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a metal sphere a has charge q two other spheres b and c are identical to a except they have zero net charge a touches b
a metallic sphere has a charge of 39 nc a negatively charged rod has a charge of -60 nc when the rod touches the sphere
a uniform electric field of magnitude 600 nc exists between two parallel plates that are 424 cm apart a proton is
a wheel is mounted on a stationary axle starts at rest and is given the following angular acceleration 9-12t si
a find the magnitude of the electric force between two protons separated by 1 femtometer 1015 m approximately the
a star moving away from the earth at 0320c emits radiation that we measure to be most intense at the wavelength 530 nm
suppose that it takes exactly 120 hr to drain a container of 180 liters of water what is the average mass flow rate in
the position of an object as a function of time is given by x at2 - bt c where a 75 ms2 b 62 ms and c 39 m find
1 find the conversion factor between weights measured in newtons to weights measured in pounds2 express the density of
determine the stopping distances for a car with an initial speed of 94 and human reaction time of 090 for an
a rock is dropped from a sea cliff and the sound of it striking the ocean is heard 28 later if the speed of sound is
bill can throw a ball vertically at a speed 14 times faster than joe can how many times higher will bills ball go than
a car traveling at 230ms runs out of gas while traveling up a 230degree slope how far up the hill will it coast before
a rock is tossed straight up with a velocity of 16ms when it returns it falls into a hole 10m deep1 what is the rocks
transverse waves travel at 208 ms on a string that is under a tension of 700 n what tension is required for a wave
a small object carrying a charge of -600 nc is acted upon by a downward force of 190nn when placed at a certain point
a cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 800 cm if the
an aluminum clock pendulum having a period of 180 s keeps perfect time at 200degca when placed in a room at a
a 15 kg block is attached to a spring with a spring constant of 2100 nm the spring is then stretched a distance of 033
a simple harmonic oscillator has a total energy of ea determine the kinetic and potential energies when the
two people on ice skates are at rest and stand facing each other they then push each other away the mass of the person
what is the net force exerted by these two charges on a third charge q3 535nc placed between q1 and q2 at x3 -1100m
a particle has a charge of -325 find the magnitude of the electric field due to this particle at a point 0215 directly
a uniform electric field exists in the region between two oppositely charged plane parallel plates an electron is
two charges are placed between the plates of a parallel plate capacitor one charge is q1 and the other is q2 384c the