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it is always told as a fact without explaining the reason why do two objects get charged with rubbing why one object
a charged particle is held at the center of a spherical shell the figure gives the magnitude e of the electric field
in the figure below a cord is attached to an oscillator and wrapped around a light pulley where it is attached to a
concave mirror and converging lens f2cm ho 1 cm and do 1 complete ray tracing for 3 rays compute di m and hi is the
an ideal gas with 14 occupies 30l at 300 k and 100kpa pressure and is compressed adiabatically until its volume is 20 l
a 500g thermometer is utilized to gauge the temperature of 130ml of water the specific heat of the thermometer which is
a uniformly charged disk of radius 350 cm carries a charge density of 82010-3nbspcm2 compute the electric field on the
two small metallic spheres each of mass m 0212 g are suspended as pendulums with light strings of length l as shown in
a particles initial velocity was 32 45 meter per second its final velocity is 26 58 meter per second and its constant
calculate the unknown concentration of toluene using the calibration curve graph provided and explain your
an electron starts at rest gravity accelerates the electron in the negative y direction at 980 ms2 while an electric
an airplane is flying with velocity 152 0 ms it is accelerated in the x direction by its propeller at 892 ms2 and in
a spaceship accelerates at 630 350 ms2 for 920 second given that its final velocity is 450 570 meter per second
the displacement vector for a 15 s interval of a jet airplanes flight is 2850 -2430 metera evaluate the magnitude of
the distance between an object and its image formed by a diverging lens is 470 centimeter the focal length of the lens
a duck has a mass of 3 kilogram as the duck paddles a force of 010 newton acts on it in a direction due east in
the far point of a nearsighted person is 52 meter from her eyes and she wears contacts that enable her to see distant
an aluminum-alloy rod has a length of 10009 centimeter at 19800degc and a length of 10016 centimeter at the boiling
an aluminum cup of 115 cm3 capacity is filled with glycerin at 15degc determine how much glycerin if any will spill out
at 19degc a rod is exactly 2010 centimeter long on a steel ruler both the rod and the ruler are located in an oven at
a certain substance has a mass per mole of 60 gmol when 320 joule is added as heat to a 25 gram sample of this material
determine the minimum amount of energy in joules required to completely melt 135 gram of silver initially at
a 150 grams copper bowl contains 195 gram of water both at 20degc a very hot 300 gram copper cylinder is dropped into
there are many evaluates of the number of stars in the universe one evaluate is that there are 1010 stars in the milky