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a 30 g ball of clay traveling east at 20 ms collides and sticks together with a 30 g ball of clay traveling north at 40
a vertical tube that is closed at the upper end and open at the lower end contains an air pocket the open end of the
an rlc circuit with r 297omega l 347mh and c 488mu f is connected to an ac generator with an rms voltage of 28v
if the rms electric field of this light is 180rm nc at a distance of 115rm m from the bulb what is the average total
a hydrogen atom initially in the ground state absorbs a photon which excites it to the 400 statedetermine the
an ideal monatomic gas is contained in a vessel of constant volume 0270 m3 the initial temperature and pressure of the
a sinusoidal electromagnetic wave from a radio station passes perpendicularly through an open window that has area 0300
the photoelectric threshold wavelength of a tungsten surface is 272 calculate the maximum kinetic energy in of the
when a certain air-filled parallel-plate capacitor is connected across a battery it acquires a charge of 200 microc on
in a certain oscillating lc circuit the total energy is converted from electric energy in the capacitor to magnetic
two capacitors give an equivalent capacitance of 950 pf when connected in parallel and an equivalent capacitance of 180
a model of a red blood cell portrays the cell as a spherical capacitor a positively charged liquid sphere of surface
a particle of charge 12 uc and mass 38 x 10-5 kg is released from rest in a region where there is a constant electric
a plastic rod is rubbed against a wool shirt thereby acquiring a charge of 49 c how many electrons are transferred from
an electron has an initial vertical velocity v0 y0001 c when it enters a uniform horizontal electric field e05 x x hat
you have a solid conducting sphere radius a net charge -2q surrounded by a conducting spherical shell inner radius b
sodium ions na move at 0844 ms through a bloodstream in the arm of a person standing near a large magnet the magnetic
a commonly used method of fastening one part to another part is called shrink fitting a steel rod has a diameter of
you are blowing bubbles using a bubble wand that has a circular loop at one end with a radius of 140 cm you hold the
a thermos contains 151 cm3 of coffee at 857 degc to cool the coffee you drop two 106-g ice cubes into the thermos the
when 3880 j of heat are added to a 0159-m-long silver bar its length increases by 431 x 10-3 m what is the mass of the
at a temperature of 166 degc the mass and volume of a fluid are 798 kg and 120 m3 the coefficient of volume expansion
a spring is hung from the ceiling a 045kg block is then attached to the free end of the spring when released from rest
you are able to hold out your arm in an outstretched horizontal position because of the action of the deltoid muscle
what is the electric field of a parallel plate capacitor that has q553 uc on one plate and q-553 uc on the other plate