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discuss the effect of temperature on conductivity of an
describe the two types of conductivity measurement in electrolysis using
bob has just finished climbing a sheer cliff above a beach and wants to figure out how high he climbed all he has to
a defibrillator contains a 118 muf capacitor it is used to restart a persons heart by sending electrical energy through
consider two widely separated conducting spheres 1 and 2 the second having six times the diameter of the first the
a a steel ball is dropped from a height of three meters onto a concrete floor it bounces a large number of times but
a car moving initially at 20ms comes gradually to stop in 400m what was the acceleration of the
one mole of nickel 6021023atoms has a mass of 59 g and its density is 89 gcm3 you have a bar of nickel260m long with a
a body travels at an initial speed of 15ms given a constant acceleration of 02ms2 what is the speed of the body at time
a refrigerator in a room at temperature 75 f is to operate with inside temperature 35 f and a cooling power ie the rate
a heat pump has cop 40 and is used to deliver heat energy of 500 mj to a house in one daya how much electrical energy
an electron with electric charge of1610-19c falls through a potential difference of36kv in the vacuum of anx-raytube
a turtle and a rabbit are to have a race the turtles average speed is 09 ms the rabbits average speed is 9 ms the
a somebody tells you that a single ultraviolet photon carries an energy equivalent of ten electronvolts ev see appendix
a skier is pulled up a slope at a constant velocity by a tow bar the slope is inclined at 235degwith respect to the
what is the relationship between work and kinetic energy for a horizontal force and
a capacitor is made of two parallel plates whose areas are 04 m2 initially the distance between the plates is 23 cm and
a professor drives off with his car mass 840 kg but forgot to take his coffee mug mass 034 kg off the roof the
an elevator cabin mass 570 kg is designed for a maximum load of 3100 kg and to reach a velocity of 27 ms in 5 s for
this bear needs a break so he climbs aboard a passing iceberg the density of ice is 917 kgm3 and then density of sea
a shotput thrower releases the shot with a release speed of 15ms and a release angle of 42deg above the horizontal the
you are hungry and decide to go to your favorite neighborhood fast-food restaurant you leave your apartment and take
a horizontal rifle is fired at a bulls-eye the muzzle speed of the bullet is 648 ms the barrel is pointed directly at
a major-league pitcher can throw a baseball in excess of 393 ms if a ball is thrown horizontally at this speed how much
a pulled tablecloth exerts a frictional force of 06 n on a plate with a mass of 02 kg what is the acceleration of the