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an airplane flies eastward and accelerates uniformly at one position along its path it has a velocity of 333 ms it then
a mass m10kg is oscillates between two springs kltsubgt1ltsubgt100nm and kltsubgt2ltsubgt200nm if x01m what is the
a spaceship is approaching a space station at a speed of 20 105 ms the space station has a beacon that emits green
how many electrons should be removed from an initially uncharged spherical conductor of radius 029 m to produce a
a horizontal water main with a cross-sectional area of 196 cm2 necks down to a pipe of area 404 cm2 meters mounted in
you attach a meter stick to an oak tree such that the top of the meter stick is 247 meters above the ground later an
a bar of length 2 cm slides along metal rails at a speed of 1 cms the bar and rails are in a magnectic field of 2 t
how fast would javelin normally 25 m long have to be going relative to an observer to appear 20 shorter 2 m
a sqaure with sides of length 2m is perpendicular to a magnetic field of strength 10 t if the square is rotated by 60o
a toroid having a square cross section 440 cm on a side and an inner radius of 131 cm has 660 turns and carries a
a 054 cm high object is placed 87 cm in front of a diverging lens whose focal length is -75 cm what is the height of
a siren at rest has a frequency f0 standing at a crosswalk a student hears a frequency f from the siren in an
light of wavelength 700 nm falls on a 038 mm wide slit and forms a diffraction pattern on a screen 13 m awaya find the
muonium muonium is a hydrogen-like atom in which the electron is replaced with a muon a fundamental particle with a
a concave mirror used by a person who is shaving or applying makeup creates a virtual image of the face that is 160
a spring oscillator is designed with a mass of 0153 kg it operates while immersed in a damping fluid selected so that
one block of mass m slides without friction on horizontal table the block is attached to one end of a massless spring
a rocket is projected upward from the earths surface r re with an initial speed v0 that carries it to a distance r 18
the planet uranus has a satellite ariel which travels in an orbit of radius 1910times108 m with a period of 252 days
the weight of a star is usually balanced by two forces the gravitational force acting inward and the force created by
ceres the smallest identified dwarf planet in the solar system has a radius r 480 km and an acceleration due to
standing on the surface of a small spherical moon whose radius is 681middot104 m and whose mass is 707middot1018 kg an
the second-order fringe of 660 nm light is observed at an angle of 21deg when the light falls on two narrow slits that
a source of sound waves of frequency 04 khz is stationary an observer is traveling at 041 times the speed of sounda