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a spaceship moves at a speed of 095 c away from the earth it shoots a star wars torpedo toward the earth at a speed of
the 1994 winter olympics included the aerials competition in skiing in this event skiers speed down a ramp that slopes
a small car is pushing a larger truck that has a dead battery the mass of the truck is twice as large as the mass of
two particles a and b are moving towards each other particle a has mass of 500kg moving from the left side at 9ms
a grenade is accidentally dropped with a soldier will scaling a 550-m high cliffa how long will it take the grenade to
a jet pilot puts an aircraft by a constant speed into a vertical loopa which is greater the normal force exerted on the
aa car approaches a level circular curve by the radius of 450 m the coefficient of static friction is 120 and the
an fm radio station broadcasts at a frequency of 90 mhzwhat inductance must be paired with a 60 pf capacitor to build a
in a typical hydrogen atom the electron orbits the proton at a distance of about 053x10-10 m1 decide the magnitude and
an electron is accelerated across an electric field that has a potential dissimilarity of 30 v after exiting the
a muon is created by a cosmic ray high in earths atmosphere it travels towards earth at a speed v 093c for a distance
a ladder of weight 200 n and length 10 meters leans against a smooth wall no friction on wall the ladder makes an angle
the magnetic field of the earth at a certain location is directed vertically downward and has a magnitude of 490 microt
in a photocell ultraviolet light provides sufficient energy to some electrons in barium metal to eject them from the
a 500-m beam is hanged horizontally about its ends by two very light cables a and b as shown in fig 4 the angles these
a rope is wrapped around a wheel of radius r 20 meters the wheel is mounted with frictionless bearings on an axle
a weightlifters barbell consists of two identical spherical masses each by radius 017mnbsp and mass of 50 kg the
a subatomic particle has an unknown lifetime tau the particle is created at t 0 and travels around the earths equator
an astronaut travels at a speed of 098c from the earth to a distant star that is 641017 m away if the astronaut is 26
a person travels in a car with a speed of 90 ms to get the drivers attention a stationary police officer behind the car
a proton has an initial speed of 36105 msa what potential dissimilarity is required to decrease the initial speed of
electron interference patterns are made with shooting electrons with 50 kev of kinetic energy during two slits spaced
a 15m long stick with a mass of 03 kg is pivoted on a hinge at one end and held horizontally with a spring by spring
a microscope has an objective lens of focal length 600 mm the objective forms an image165 cm from the lens the focal
a 29 kg block is pulled across a horizontal surface with a rope the block has an acceleration of 33 ms2 and the