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weve seen that fish can control their buoyancy through the use of a swim bladder a gas-filled organ inside the body you
a swift blow with the hand can break a pine board as the hand hits the board the kinetic energy of the hand is
a typical red blood cell subtends an angle of only 20times105rad when viewed at a persons near-point distance of 25cm
at a carnival you can try to ring a bell by striking a target with a 910-kg hammer in response a 0410-kg metal piece is
an alpha particle q 320times1019 c moves at a velocity of 245times104 ms in the positive x direction through a
a tube with a 30-mm radius has ions flowing through it along its length to determine the rate at which the charge is
a machine that makes transformers can only wind the coils with a single specific number density the number of turns is
menthol is a crystalline substance with a peppermint taste and odor when 145 g of menthol is dissolved in 250 g of
an elevator and its load have a combined mass of 1600 kg find the tension in the supporting cable when the elevator
a 150 ampere current flows through a 325 m section of wire perpendicular to a 0250 t magnetic field what is the
a 200 kg rocket sled can be accelerated at a constant rate from rest to 1600 kmh in 20 s what is the magnitude of the
a circular-motion addict of mass 85 kg rides a ferris wheel around in a vertical circle of radius 10 m at a constant
a puck on a frictionless horizontal air table is attached to a string that passes down through a hole in the table
a block is projected up a frictionless inclined plane with initial speed v0 344 ms the angle of incline is 324dega
a solution of h2so4aq with a molal concentration of 322 m has a density of 1183 gml what is the molar concentration of
a proton accelerates from rest in a uniform electric field of 628 nc at some later time its speed is 110106 msa find
the speed of an ion in a particle accelerator is doubled from 0460c to 0920c the initial relativistic momentum of the
a circular loop of diameter 10 cm carrying a current of 020 a is placed inside a magnetic field 030 t the normal to
a 12 gram ball is dropped form a height of 250m and is moving and is moving at 32ms just before it hits the floor was
a spherical bowling ball with mass m 4 kg and radius r 0108 m is thrown down the lane with an initial speed of v 88
brian is trying to pull julie on a sled across a flat snowy field brian pulls on a rope attached to the sled brians
a uniform crate with a mass of 173 kg rests on a horizontal floor with a coefficient of static friction between the
kilograms of water are changeda from ice at 0c into liquid water at 0c andb from liquid water at 100c into steam at
an astronaut of 100 kg including space suite is conducting a apcewalk and exerts a force of 40 n on a 10000 kg