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a fighter pilot dives his plane toward the ground at400 ms he pulls out of the dive on a vertical circle what is the
a certain laser outputs pure blue light photon energy 31 ev with power 400 milliwatts 04watts how many photons per
an archer shoots an arrow toward a 300g target that is sliding in her direction at a speed of 250 ms on a smooth
when b-10 is bombarded by neutrons a neutron can be absorbedand an alpha particle emitted if the b-10 target
a bead of mass m acted upon by a uniform graviational forcecan slide freely on a frictionless circular hoop of radius r
a 4 kg box is raised from rest adistance of 6 m by a vertical force of110 na find the work done by the forceb find the
in a television electrons travel from the cathode to hit thescreen illuminating it by applying magnetic fields the beam
the capacitance in a series rcl circuit is c1 262 microf and the correspondingresonant frequency is f01 671 khz the
concept simulation 71 illustrates the physics principles in this problem an astronaut in his space suit and with a
two metal spheres each of radius 50 cm have a center-to-center separationof 320 m sphere 1 hascharge 110 10-8 c sphere
a 2g marble is fired vertically upward using a springgun the spring must be compressed 32cm if the marble is tojust
if the acceleration of a 75 kg skydiver is 4ms2a what is the net force on theskydiverb what is the weight of the
the us navy long proposed the construction of extremely low frequency elf waves communications systems such waves could
a uranium atom is ionized seven times losing seven electrons inthe process its resulting mass is 390times10minus25
in an experiment designed to measurethe speed of light a laser is aimed at a mirror that is 470 kmdue north a detector
a 55 kg swimmer is standing on a stationary 180 kg floating raft the swimmer then runs offthe raft horizontally with a
a 205 cm tall object is placed 300 cm to the left of aconverging lens with a focal length f1 189 cm a diverging lens
an electrically charged bullet of mass 0010 kg leaves thebarrel of a gun traveling parallel to the ground and
a spherical mirror is polished on both sides when you use aconvex mirror the magnification is 16 what is the
two ac generators supply the same voltage however the firstgenerator has a frequency of 15 khz and the second has
a boat crosses a river with a width w160m in which thecurrent has a uniform speed of 150ms the pilot maintains abearing
a proton is projected perpendicularly intonbsp a magnetic field that has a magnitude of 050 t the field is then
the drawing shows three situations mdash a b and c mdash inwhich an observer and a source of electromagnetic waves are
an alpha particle charge 2e mass 664x10-27 moves head onat a fixed gold nucleus charge 79e if the distance of