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questionsa how does the relative stiffness of a spring relate to its spring constantb how does pe change relative to
develop a circuit block diagram of the circuitsystem using figuredevelop a preliminary design schematic use a schematic
an iron vat is 17m long at room temperature 20degc how much longer is it when it contains boiling water at 1 atm
solve and submit the following problemsi if an electrons position can be measured to an accuracy of 20 x how accurately
a one pound weight is released 3 feet off the ground at the same time a two pound weight is released 5 feet off the
1 in the standing broad jump one squats and then pushes off with the legs to see how far one can jump suppose the
choose one part of the photo-electric experiment that cannot be explained by assuming that light is a wave why do we
a 23 kg block rests on a surface which has a coefficient of friction of 04what will be the value of the inclined force
1 for the pinned frame below subjected to a 500 kn lateral force what are the internal forces in each member2 for a
1 a 5 to 20 bar reverse acting proportional pressure controller has an output of 4 to 20 ma the set point is 11 bar
the power rating of a resistor is the maximum power the resistor can safely dissipate without too great a rise in
1 suppose you roll a ball off a tabletop will the time to hit the floor depend on the speed of the ball will a fast
1 what would be the path of the moon if somehow all gravitational forces on it vanished to zero2 larry weighs 300 n at
1 while riding on a carnival ferris wheel sam nasty horses around and climbs out of his chair and along the spoke so he
1 why do you do no work on a 25- kg backpack when you walk a horizontal distance of 100 mm2 the sun puts out twice as
part -1 energy1 define work and power what are their units2 what is the difference between kinetic energy and potential
q1 a petrol engine working on the otto cycle has a compression ratio of 91 and at the beginning of compression the
1 a motorcycle and rider have a total mass equal to 335 kg the rider applies the brakes causing the motorcycle to
q1 a 3-cylinder 4-stroke engine has a bore of 76 mm and a stroke of 125 mm it develops 12 kw at the shaft when running
what should be thenbsp6c14nbspcontent in percent ofnbspy0 of a fossilized tree that is claimed to benbsp7000nbspyears
object a has an emissivity of 095 and its temperature is 25 degrees c at what temperature in degrees c does object b
a long thin rod of length 2l rotates with a constant angular acceleration of 80 rads2 about an axis that is
a small object is released from rest and falls 100 x 10 2 feet near the surface of the earth neglect air resistance how
the power radiate by a distant star is 62 x 1027 w the radius of the star which may be considered a perfect radiator is