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for tests using a ballistocardiograph a patient lies on a horizontal platform that is supported on jets of air because
a student sitting on a frictionless rotating stool has rotational inertia 095 about a vertical axis through her center
the navy operated a man-rated centrifuge in warminster pa it was used for testing with the astronauts of the mercury
a golf ball strikes a hard smooth floor at an angle of 375 deg and as the drawing shows rebounds at the same angle the
the critical angle for the total internal reflection at the liquid air interface is 425 degrees a if a ray of light
a 600-turn solenoid is 21cm long and 17cm in diameter and carries 67 ma how much magnetic energy does it
a bomb that is initially at rest at the origin explodes and breaks into two pieces of mass m1 1497 kg and m2 2454 kg
a skateboarder m 92 kg takes a running jump onto a friends skateboard that is initially at rest as sketched in the
a beam of light in the air makes an angle of 475 degrees with the surface not the normal of a glass plate having a
the human eye can barely detect a star whose intensity at the earths surface is 16e-11wm2 if the dark adapted eye has a
a typical helium-neon laser found in supermarket checkout scanners emits 633nm--wavelength light in a 11mm diameter
a planet requires 300 earth days to complete its circular orbit around its sun which has a mass of 60 x 1030 kg what
a satellite is in a circular orbit around the earth at an altitude of 360 106 ma find the period of the orbit hint
in his 1865 science fiction novel from the earth to the moon jules verne described how three astronauts are shot to the
after the sun exhausts its nuclear fuel its ultimate fate may be to collapse to a white dwarf state in this state it
a what is the tangential acceleration of a bug on the rim of a 130-in-diameter disk if the disk accelerates uniformly
two plates of area 865 cm2 each are separated by a distance 421 cm calculate the capacitance of the capacitorwhat is
a solid cylinder of mass 140 kg rolls without slipping on a horizontal surfacea at the instant its center of mass has a
an object of 505 n is attached to the free end of a light string wrapped around a reel with a radius of 0250 m and mass
a potters wheel -- a thick stone disk of radius 0500 m and mass 120 kg -- is freely rotating at 500 revmin the potter
a block of mass m1 175 kg and a block of mass m2 590 kg are connected by a massless string over a pulley in the shape
a 062 kg glider slides frictionlessly on an 3-m air track inclined at an angle of 12 degrees the glider is connected to
a car accelerates uniformly from rest and reaches a speed of 221 ms in 897 sa if the diameter of a tire is 575 cm find
the particles in the figure below m1 18 kg and m2 35 kg undergo an elastic collision in one dimension their
one recent study has shown that x rays with a wavelength of 00050nm can produce significant numbers of mutations in