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a baseball is struck by a bat 46 cm from the axis of rotation when the angular velocity of the bat is 70 rads if the
two small metallic spheres each of mass 020 g are suspended as pendulums with light strings from a common point as
in electronics it is customary to describe the potential of ground thinking of the earth as a large conductor as zero
the average person passes out at an acceleration of 7g that is seven times the gravitational acceleration on earth
copper has 85 x 1028 free electrons per cubic meter a740-cm length of 12-gauge copper wire that is 205 mm in diameter
a thin film of oil n 110 is located on a smooth wet pavement when viewed perpendicular to the pavement the film
an object is thrown straight up two seconds later it is still going upward and at that time its speed is 10ms1 what was
two diamonds begin a free fall from rest from the same height 11 s apart how long after the first diamond begins to
an underground telephone cable consisting of a pair of wires has suffered a short somewhere along its length at point p
for a submarine identify when it will have the least buoyant force acting on it suppose that neither the volume of the
at a certain point in time the total energy of a closed system is observed to be 90 j which one of the following
when cylinder-head bolts in an automobile engine are tightened the critical quantity is the torque applied to the bolts
describe using the lorentz force equation why a charged particle moving at a constant speed in a direction
explain 2 similarities and 2 differences between magnetic and electric fieldsrsquo lines consider such things as where
a cold aluminium soft drink can by a capacity of 354 ml is filled to the brim with methanol at a temp of 40 degrees
the ac generator in a series rcl circuit has an rms voltage of 114 v the values of the resistance capacitive reactance
a drop of unknown liquid is placed at the point on a glass surface where internal reflection is occurring at the drop
a bullet is dropped into a river from a very high bridge at the same time another bullet is fired from a gun straight
a person weighs 695 rm n in air however only 495 rm n when standing in water up to the hipsdiscover the volume of each
in travelling to the moon astronauts aboard the apollo spacecraft put themselves into a slow rotation to distribute the
a coordination complex is found by study to contain 2179co1890 nh3 and 3932 cl presume the remainder if any is water
if iron is ready by passing carbon monoxide gas through molten iron ore ferric oxide in a blast furnace at 1500 degree
explain what is 1011 grams of calcium carbonate decomposes by heat to851 grams of calcium oxide as well as carbon
explain how do you write an equation for the neutralization reaction in which calcium nitrate is the salt that is
if hydrogen and fe3o4 are the products when iron as well as steam is mixed state a balanced chemical equation for this