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a car in an amusement park ride rolls without friction around the track it starts from rest at point a at a height h
the first three harmonics in an organ pipe are 126 hz 378 hz and 630 hz a is the pipe open-open or open-closed b taking
a droplet of ink in an industrial ink-jet printer carries a charge of 30 10-13 c and is deflected onto paper by a
a parachutist with a camera descends in free fall at a speed of13 ms the parachutist releases the camera at an altitude
the driver accelerates a 2600 kg snowmobile which results in a force being exerted that speeds up the snowmobile from
the rain-soaked shoes of a person might explode if ground current from nearby lightning vaporizes the water the sudden
a young girl spins a hula hoop of mass 074 kg and radius 073 m around her waist assuming that the girls waist is much
measurements of the radioactivity of a certain isotope tell you that the decay rate decreases from 8280 decays per
a 840-rm kg block of ice released from rest at the top of a 124-rm m-long frictionless ramp slides downhill reaching a
a gymnast of mass 52 kg is jumping on a trampoline she jumps so that her feet reach a maximum height of 25 m above the
an airplane travels 277 m down the runway before taking off assuming that it has constant acceleration if it starts
a passenger car traveling down a rough road bounces up and down at 12 hz with a maximum vertical acceleration of 020
a 10cm10cm10cm block of steel rho steel 7900kgm3 is suspended from a spring scale the scale is in nektons1 what is the
the measure pressure at the bottom of a cylinder of liquid is 070 atm the liquid is poured into another cylinder by
a 237kg roller coaster starts at rest from the top of a 405m hill and goes during a circular loop of radius 169m what
a uniform cylindrical pop soda can of mass 0140 kg is 120 cm tall and filled by 131kg of pop soda small holes are
a hunter aims directly at a target on the same level 137 m away if the bullet leaves the gun at a speed of 271 ms by
what is the drag force exerted on a runner running at a 7minmi pace 383 ms on a day with no wind suppose a coefficient
consider a hydrogen atom in a magnetic field sketch the possible transitions among the n 3 l 2 and n 2 and l 1
a magnetic field of 0436 t and a perpendicular electric field of554 kvm act on a moving electron to produce no net
a 10uf capacitor with an initial stored energy of 050j is discharged during a 10m ohm resistora what is the intial
a 013 kg meter stick is held perpendicular to a wall by a 30 m string going from the wall to the far end of the sticka
a diver shines an underwater searchlight at the surface of a pond n 133 at what angle relative to the surface will the
a light ray is incident on the surface of water n 133 at an angle of 60deg relative to the normal to the surface the
starting from rest a basketball rolls from the top of a hill to the bottom reaching a translational speed of 360 ms