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a beam of hydrogen molecules h2 is directed toward a wall at an angle of 58deg with the normal to the wall each
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a persons leg measures 40 cm between the knee and the hip with an average leg diameter ignoring bone and other poorly
the generator at a power plant produces ac at 27000 v a transformer steps this up to 355000 v for transmission over
a spherical balloon has a radius of 675m and is filled with helium the density of helium is 0179 kgm3 and the density
in a game of billiards the cue ball is traveling eastward when it strikes a second ball that is initially at rest after
an engineer wishes to determine the spring constant of a helical spring she first puts enough weights on the spring to
my car engine can deliver a maximum of 112 ft-lbf of torque when running at 3450 rpm how many horsepower is the engine
a piece of wood is 0700m long 0300m wide and 800times102m thickits density is 600kgm3 what volume of lead must be
you are designing a hydraulic lift for an automobile garage it will consist of two oil-filled cylindrical pipes of
in a certain binary-star system each star has the same mass which is 60 times of that of the sun and they revolve about
a charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 180cm giving
you have a 210- resistor and a 0360-h inductor suppose you take the resistor and inductor and make a series circuit
an l-r-c series circuit r 160 l 0730h and c 200times102f the source has a voltage amplitude of 160v and a
1 discuss displacement versus distance moved for an object and illustrate with examples2 define inertia and explain its
a rock is dropped straight down from the top of a 492 meter building how long does it take for the rock to hit the
a car accelerates uniformly from rest to a speed of 647 kmh 180 ms in 10 s find the distance the car travels during
a roller coaster traveling with an initial speed of 15 meters per second decelerates uniformly at -70 meters per
a flat round iron ring 700cm in diameter has a current running through it that produces a magnetic field of 772t at its
an athlete executing a long jump leaves the ground at a 350 angle and travels 790ma what was the takeoff speedb if this
a singly charged ion of 7li an isotope of lithium has a mass of 116times1026kg it is accelerated through a potential
a projectile is fired with an initial speed of 658 ms at an angle of 333 above the horizontal on a long flat firing
a pesky 17-mg mosquito is annoying you as you attempt to study physics in your room which is 55m wide and 25 m high you
an l-r-c series circuit l 0115h r 241 and c 730f carries an rms current of 0450a with a frequency of 401hzpart a
a 0156kg toy is undergoing shm on the end of a horizontal spring with force constant 306 nm when the object is 14 x