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a block of steel density 79 gcm3 gauges 5 inches x 8 inches x 37 inches and is moving at 104 feet per minute discover
a 2-g ping-pong ball rubbed against a wool jacket acquires a net positive charge of 1eacute c estimate the fraction of
marsha is pushing down and to the right on a 21-kg box at an angle of 30 below horizontal the box slides at constant
a lab technician utilizes laser light with a wavelength of 650 nm to test a diffraction grating when the grating is
two point charges are located on the x-axis one has a charge of 185 c and is located at x 00 m and the other has a
a 17nf parallel-plate capacitor has an air gap among its plates its capacitance increases by 30nf when the gap is full
a certain organ pipe open at both ends produces a fundamental frequency of 297hz in air if the pipe is full with helium
two small metallic spheres each of mass m 0192 g are suspended as pendulums by light strings of length l as shown in
a 250 kg box slide 40m down the frictionless ramp shown in the figure then collides with a spring whose spring constant
early in the morning when the temperature is 50deg c gasoline is pumped into a cars 41 l steel gas tank until it is
through a thunderstorm winds with a speed of 470 ms blow across a flat roof with an area of 785 m2a is the force
rapid changes that are sometimes observed in stars might indicate that dynamical processes are taking place from the
the build-up of plaque on the walls of an artery might decrease its diameter from 11 cm to 071 cm the speed of blood
a charge q2 -700x10-6 c is 1100 cm to the right of charge q1 600x10-6 c where can a third charge are placed along the
a coffee drinker is faced with the subsequent dilemma she is not going to drink her hot coffee with cream for ten
how massive an object can be supported by a 60cm -diameter suction cup mounted on a vertical wall if the coefficient of
a plane travels 15 km at angle of 38 degrees to the ground then changes direction and travels 69 km at an angle of 11
if an electron travels 0210 m from an electron gun to a tv screen in 293 ns what voltage was utilized to accelerate it
a swimmer is 60 m from shore in a river flowing at 4ms the swimmer swims at 6ms the swimmer heads 15 degrees upstream
for each of these cases decide whether or not the motion explained is an example of accelerationan airplane starting to
a squirrel runs along an overhead telephone wire that stretches from the top on one pole to the next the creature is
for a projectile compute the ratio of the maximum vertical height that the projectile reaches to the maximum range of
for light with a wavelength of 600 nanometres what are the conditions for destructive interference at point pequation1
a ball is thrown upward from the roof of a building 60m tall the ball reaches a height of 80m above the ground after 2s
two identical conducting spheres fixed in place attract each other by an electrostatic force of -02848 n when separated