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a horizontal force of 159 n pushes a20 kg block up a frictionless incline thatmakes an angle of 35deg with the
two identical capacitors are connected in parallel to an acgenerator that has a frequency of 660 hz and produces a
a block is hung by a string from the inside roof of a van when the van goes straight ahead at a speed of 29ms the block
a spring scale is fastened to the ceiling of a railway car when a 10-kg block is hung from the scale it reads 12 n and
the solubility of a compound is 59g per 100ml of boiling methanol and 30g per 100ml of cold methanol whereas its
in 17 micros an electron moves15 cm in the direction of a 009 t magnetic field the electrons velocitycomponents
a 216-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp the ramp is inclined at
a 12kg block is dropped from 48 cm above a spring inequilibrium the force constant for the spring is 124nm calculate
a sample of 2-butanol has a specific rotation of 325amp176 determine the ee and the molecular composition of this
ammonium nitrate decomposes to n2o and water at temperatures between 250 deg celcius and 300 deg celcius write a
a crate of mass 450 kg is being transported on the flatbed of apickup truck the coefficient of static friction between
one way to analyze sulfur is by comustion of the sample which produces so2 and so3 that can be bubbled through h2o2 to
two points are given in polar coordinates by rtheta 280 m500deg and r theta 580 m -620degrespectively what is the
standing at a crosswalk you hear a frequency of 550 hz from the siren of an approaching ambulanceafter the ambulance
you order two primary standards of ultra pure k2so4 174260 gmol and na2so4 142043 gmol for an experiment when they are
a hockey puck is hit on a frozen lake and starts moving with aspeed of 120 ms five seconds laterits speed is 540 msa
an automobile traveling 100kmh overtakes a 150 km long traintraveling in the same direction on a track parallel to
anacin is composed of acetysalicylic acid and caffeine using the principles of active extraction show by use of flow
a curve of radius 60m is banked for a design speed of 100kmhif the coefficient of static friction is 30 wet pavement at
a small sphere that carries a chargeq is whirled in a circle at the end of an insulatingstring the angular frequency of
a wire of initial length l0 and radiusr0 has a measured resistance of 40 the wire isdrawn under tensile stress to a
two vectors have magnitudes of 10m and 15 m the angle between themwhen they are drawn with their tails at the same
a toy racing car moves with constant speed around the circle whenits coordinates are x 0 y 3m its velocity is6msi
the typical operating voltage for anelectron microscope is v 50kv a what isthe smallest feature one could hope
a 120-v motor has mechanical power output of 210 hp it is 800 efficient in converting power that it takes in by