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a roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r a passenger feels the
think about galileos inclined plane experimentsa if a metal marble rolls 15 cm in the first unit of time how farwill it
a positron undergoes a displacement r 80 ihat - 80 jhat 60 khat ending with the position vector r 10 jhat - 60 khat
only 25 of the intensity of a polarized light wave passes through a polarizing filter what is the angle between the
a wire with mass 850 is stretched so that its ends are tied down at points 820 apart the wire vibrates in its
one end of a stretched ideal spring is attached to an airtrack and the other is attached to a glider with a mass of
a tungsten w target is bombarded by electrons accelerated through a potential of 60 kv what is the cutoff wavelength of
water enters a pipe with a cross sectional area of 30 cm2 with a velocity of 30 ms the water encounters a constriction
a long solenoid with 128 turnscm and a radius of 891 cm carries a current of 219 ma a current of 960 a exists in a
at a given instant the current and self-induced emf in an inductor are directed as indicated in the figure the induced
the inductance of a closely packed coil of 500 turns is 89 mh calculate the magnetic flux through the coil when the
if 428 cm of copper wire diameter 136 mm resistivity 169 x 10-8middotm is formed into a circular loop and placed
a 020 kg body undergoes simple harmonic motion of amplitude 97 cm and period 020 sa what is the magnitude of the
a particle with a mass of 350 10-20 kg is oscillating with simple harmonic motion with a period of 350 10-5 s and a
an oscillator consists of a block of mass 0800 kg connected to a spring when set into oscillation with amplitude 340 cm
a box mass 500 kg moves on a ramp that is inclined at 69deg above the horizontal a person is applying a constant force
suppose that a 100 cm3 box in the shape of a cube is perfectly evacuated except for a single particle of mass 121 10-3
a 0160 kg croquet ball makes an elastic head-on collision with a second ball initially at rest the second ball moves
a 570 kg object on a horizontal frictionless surface is attached to a spring with spring constant 940 nm the object is
a thin uniform rod mass 075 kg swings about an axis that passes through one end of the rod and is perpendicular to the
your cup of coffee is too hot to drink when served at 950 what is the mass of an ice cube taken from a -230 freezer
miles tugo is camping in glacier national park in the midst of a glacier canyon he makes a loud holler he hears an echo
a 238 mol sample of an ideal gas expands reversibly and isothermally at 278 k until its volume is doubled what is the
a 913-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity
you and a friend are measuring a field for an ecology experiment you walk due east at a speed of 09 ms and your friend