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a temperature controller designed to work in an atmosphere containing steam a bimetallic strip of brass and steel built
gold which has a density of 1932 gcm3 is the most ductile metal and can be pressed into a thin leaf or drawn out into a
a child builds a simple cart consisting of a 060 m by 120 m sheet of plywood of mass 85 kg and four wheels each 200 cm
for a particle on in a box running between x0 and x1 the function cosn pi x is not a satisfactory solution the function
at what minimum speed must a roller coaster be traveling when upside down at the top of a circle fig 5-34 if the
662 kev photons are emitted as a result of the decay of 137cs these photons undergo compton scatteringi what is the
a bullet is fired horizontally at 800 ms and strikes a target that is 160 m from the gun if the marksman hears the
an isolated hydrogen atom possesses a hyperfine interaction between the proton and electron spins sp and se that takes
a thin uniform rod length 11 m mass 42 kg is pivoted about a horizontal frictionless pin through one of its ends the
suppose a 2000 watt laser beam is concentrated by lens a into a cross-sectional area of about 1 x 10-6 cm2 find the
the greatest height reported for a jump into an airbag is 994 m by stuntman dan koko in 1948 he jumped from rest from
a 90 capacitor that had been charged to 30 is discharged through a resistor the figure figure 1 shows the capacitor
if the velocity of a 30 kg body changes fromv1 30icirc 50j ms to v2 0icirc 70j ms in a time interval of 20sa what is
a solid conducting sphere of radius 200cm has a charge 1500muc a conducting spherical shell of inner radius 400cm and
a boat clashed on something and fell to the ocean floor a few years later a few researchers sent a robot and found out
a nuclear power plant operates at 75 of its maximum theoretical carnot efficiency between temperatures of 650 c and
20 kg of water at 14 c is mixed with 20 kg of water at 53 c in a well-insulated container estimate the net change in
an object is placed 205rm cm from a screena at what two points between object and screen may a converging lens with a
a person works in a room for 4 hours with an activity of 3000 bqcubic meter of strontium chloride suspended in the air
an engineer is designing the runway for an airport of the planes that will use the airport the lowest acceleration rate
a light beam is traveling through an unknown substance when it exits that substance and goes into air the angle of
a nitrogen molecule is confined in a cubic box of volume 100 m3 assuming that the molecule has an energy equal to 32kt
when catching a baseball a catchers glove moves by 8 cm along the line of motion of the ball if the baseball exerts a
rocket-powered sleds are used to test the human response to acceleration if a rocket-powered sled is accelerated to a
a person lifts a 30 kg cement block a vertical distance of 124 m and then carries the block horizontally a distance of