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an amusement park ride called the rotor consists of a room in theshape of a vertical cylinder 198 m inradius which once
a 20-kg mass is attached to the end ofa horizontal spring of spring constant 50 nm and set into simpleharmonic motion
the far point of a nearsighted person is 50m from her eyes and she wears contacts that enable her to see distant
a 20-kg mass is hung from a spring ofspring constant 18 nm displaced slightly from its equilibriumposition and released
the lens-to-retina distance of a patient is 00201m and the totally relaxed strength of her eye is 500d a what lens
a car can decelerate at -420 ms2 without skidding when coming torest on a level road what would be the magnitude of its
a voltmeter is connected in parallel to a resistor when measuringvi why is the measured voltage across a 10
the coefficient of kinetic friction for a 22 kg bobsled on a trackis 025 what force is required to push it down a 60deg
calculate the energies and speeds of electrons in circular bohr orbits in a hydrogenlike atom using the relativistic
a vibrating source generates a harmonic wave on a string underconstant tension if the power delivered to the string is
the induced emf is a single loop of wire has a magnitude of 236 vwhen the magnetic flux is changed from 0912 t x m2
red light of wavelength lambda 6328 nm is incident on apair of slits whose separation is 070 mm what is the separation
a 204-kg boy slides down a playgroundslide that drops through a height of 215m if the boy starts at rest at the top of
a large fake cookie sliding on a horizontal surface is attached toone end of a horizontal spring with springconstant k
mars orbits the sun at a mean orbital radius of 228 gm 1 gm 109 m and has an orbital period of 687 d earth orbitsthe
to basketball player bounces the 060-kg basketball to anotherplayer by bouncing it off the court the ball hits the
a 13 g projectile traveling 153 mspenetrates into a 025-kg wad of putty and emerges cleanly at28 msa if the putty is
a what is the smallest thickness of a soap film n133 thatwould appear black if illuminated with 480-nm light assume
attached to each end of a thin steel rod of length 120 m and mass640 kg is a small ball of mass 106 kg the rod is
you are holding a compass 360 m from a longstraight electrical supply wire that is carrying a direct
a mass spectrometer has an adjustable magnetic field when the magnetic field is 7000e-2 t a singly ionized hydrogen
in the bohr model of the hydrogen atom the electron revolves in acircular orbit around the nucleus if the radius is 53
the mass of the space shuttle orbiter is 88 x 104 kgand the period of its orbit is 82 minutes estimate thekinetic
in an oscillating lc circuit in which c340 microf the maximum potential difference across the capacitor during the
an indy car with a speed of 120 kmh goes around a level circular track with a radiusof 150 kmwhat is the centripetal