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the gps network consists of 24 satellites each of which makes two orbits around the earth per day each satellite
due to friction with the earths atmosphere a large static electric charge could build up on a plummeting asteroid
describe two areas in which a psychologist may display critical
a 80-kg daredevil biker launches himself off of a bike jump of height 4m with a velocity v of 30 ms at an angle of
a nucleus mass number 208 atomic number 81 emits a 4479 kev photon the nucleus is initially at rest calculate the
a thin spherical shell rolls down an incline without slipping if the linear acceleration of the center of mass of the
a particle executes simple harmonic motion about the point x 0 at t0 it has displacement x 000m and velocity v 100ms
in a particular receiver in a wireless communications system two signals are mixed together as part of the frequency
a bicycle with 03 m radius wheels is moving such that the angular speed of each wheel is 75 rads if the bicyclist then
a cars side view mirro is a convex mirror with focal length of magnitude 024 m the mirror yields a 0079 m tall image of
albert is piloting his spaceship heading east with a speed of 088c alberts ship sends a light beam in the forward
an object is located 40 cm from a converging lens with a focal length of 20 cm the lens is 60 cm away from a convex
suppose you are in charge of launching a communication satellite would you rather launch it with an elliptical orbit or
1 if a mass of 220 kg acts downward 05 m from the axis of rotation location of the fulcrum on one end of a board on the
us natural gas reserves are estimated at 2 x 1014 cubic feet current per capita us electricity demand is about 3 kw
a damped mass-spring system oscillates at 228 hz the time constant of the system is 74 s at t 0 the amplitude of
a shaving or makeup mirror is designed to magnify your face by a factor of 125 when your face is placed 180 cm in front
a small candle isnbsp39nbspcmnbspfrom a concave mirror having a radius of curvature ofnbsp28nbspcmwhat is the focal
soft condensed matter1 calculate the van der waal interaction potential between two spheres of radius a considering
a bright object and a viewing screen are separated by a distance of 885nbspcmat what distances from the object should a
a beam of light is emitted in a pool of waternbspnwater nbsp 133nbspfrom a depth ofnbsp860nbspcmat what minimum
the speed of light in a certain substance is 79 of its value in water n water 133 what is the index of refraction
what is the distance of two identical particles with a charge of 15 muc separated by a force of
1nbspthere are 15 times as many molecules as avogadros number at a temperature ofnbsp25degc inside a sealed cube with
certain theories predict that the proton is unstable with a half-life of about 1032 years assuming that this is true