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a 21 kg suitcase is being pulled with constant speed by a handle that is an angle of 25 degrees above the horizontal if
a casette player is said to have a signal-to-noise ratio of 58 db whereas for a cd player it is 95 dbnbsp what is the
if the elastic limit of steel is 50108 pa determine the minimum diameter a steel wire can have if it is to support a 62
the electric potential at a position located a distance of 192mm from a positive point charge of870x10-9c and 118 mm
a potential difference of 76 mv exists between the inner and outer surfaces of a cell membrane the innersurface is
what is the gravitational force between two 15-kg packages that are 35cm apart what fraction is this of the weight of
a flowerpot falls from the ledge of an apartment buildingnbsp a person in an apartmentnbsp below coincidentlly holding
a horse canters away from its trainer in a straight line moving 150 m away in 110 s it then turns abruptly and gallops
during a tennis match a player serves the ball at a speeds with the center of the ball leaving the racquet atangle
the 1994 winter olympics included the aerials competition inskiing in this event skiers speed down a ramp that slopes
two square metal plates are placedparallel to each other separated by a distance d 134 cm the plates have sides of
select true or false for the following statements about conductors in electro staticequilibrium1 the electric field
a charge of -3mc is fixed in a placea particle with mass72010-3kg and charge -8mc is fired toward the fixed charge from
a tennis ball is served horizontally at a height of 240 m 120 mfrom a net that is 0900 m high a if it is to clear the
how much work must be done to bring three electrons from a great distance apart to60times10minus10m from one another at
two stationary positive point charges charge 1 of magnitude 335 nc and charge 2 of magnitude 175 nc are separatedby a
find the weight in newtons n and the mass in kilograms kgofa a 40 oz bottle of ketchupb a 25 ton
a vertical wall 64 mmultiplied by 29 m in a house faces due east a uniformelectric field has a magnitude of 150 nc this
the electric potential at the center of a square is 1 v when a charge of q is located at one of the squares corners
a magnetic feild has a magnitude of 12x10-3 t and an electric feild has a magnitude of a 46x103 nc both feilds point in
the speed of a bullet as it travels down the barrel of a gunis given by v-50000t2-300t where v is in kms and t
determine the potential 35 mm from the negative plate of a pair of parallel plates separated by 245 mm and connected to
a sprinter accelerates from rest to a top speed with anacceleration whose magnitude is 360ms2 after achieving top speed
you are to make four straight-line moves over a flat desert floorstarting at the origin of an xy coordinate system
a capacitor with an initial potential difference of 75 v isdischarged through a resistor when a switch between them is