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an airplane has a speed of 285 kmh relative to the air there is awind blowing at 95 kmh at 300o north of east
point a is at a potential of 250 v and point b is ata potential of ndash150 v an alpha-particle is a helium nucleus
charged belt a charged belt 75 cm wide travels at 25 msbetween a source of charge and a sphere the belt carries
a block a block in the shape of a rectangular solid has a cross-sectional area of 400cm2 across its width a
a water-skier is being pulled by a tow rope attached to a boat as the driver pushes the throttle forward the skier
suppose in the drawing that i1 i2 236 a and that the separation between thewires is 00467 m by applying an external
a square coil of wire containing a single turn is placed in auniform 019-t magnetic field as the drawing shows each
a proton with a speed of 20 x 106 ms is shot into aregion between two plates that are separated by a distance of 015m
a suspicious-looking manruns as fast as he can along a moving sidewalk from one end to theother taking 350 s then
a soccer ball is kicked from the groundwith an initial speed of 199 ms at anupward angle of 45deg a player 55 m away in
a horizontal wire is hung from the ceiling of a room by two massless strings the wire has a length of 024m and a mass
a uniform beam having a mass of 60 kg and a length of 28 meter isheld in place at its lower end by a pin its upper end
solve the problem as stated and solve again assuming the coefficient of kinetic friction between the box and roof is
your friends 152g graduation tassel hangs on a string fromhis rearview mirror when he accelerates from a stoplight
if two parallel conducting plates were separated by 60 cm and the potential difference between the plates is 90v the
the speed of a bobsled is increasing because it has an accelerationof 24 ms2 at a given instant in time the
at 200degc a mainly silicon resistor has a resistance of 545 omega and a tungsten resistor has are sistance of 752
compare and contrast the average kinetic energy of 05 l of coffee at 34degc 05 l of coffee at 38degc and 025 l of tea
an automotive junkyard crushes old vehicles into cubes034 m on a side assume that these cubes are made of iron find the
what is the difference between the energy stored in a spring that is stretched 040 m and the energy stored in the same
an air plane traveling at 201ms makes a turn what is the smallest radius of the circular path in km that the pilot can
a 61-kg bungee jumper has fallen farenough that her bungee cord is beginning to stretch and resist herdownward motion
two infinite lines of charge with equal linear charge densities lcm areplaced along the x and y axis derive an
a rope with mass mr is attached to a block with massmb the block rests on a frictionless horizontal surface the rope
your friends 153 graduation tassel hangs ona string from his rearview mirror when he accelerates from astoplight the