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a 500 kg child stands at the rim of a merry-go-round of radius205 m rotating by an angular speed of 325 radsa what
1 what is the tangential acceleration of a bug on the rim of a60 in diameter disk if the disk moves from rest to an
isothermal expansionan ideal gas expands isothermally performing 259e3j of work in the process compute the change in
efficiency of a heat enginea heat engine does 7210 j of work in all cycle while absorbing122 kcal of heat from a
a heat pump delivers 340 kw to heat a house the outside temperature is -90degc and the inside temperature of the
two neutrons are in an infinite square well with l 20 fm what is the minimum total energy that the system can have
a battery has an internal resistance of 0014 omega and an emf of 900 v what is the maximum current that can be drawn
nearly monochromatic coherent 6328 nm light is split into two beams they come back together at point p with a path
the drawing shows a ray of light traveling during three materials whose surfaces are parallel to each other the
a 430 turn solenoid of length 380 cm and radius 290 cm carries a current of 520 a find the following1 the magnetic
the drawing shows three materials a b and c a ray of light strikes the andashb interface at an angle that now barely
a 0100 kg block is suspended from a spring when a small pebble of mass 40 g is placed on the block the spring stretches
superman throws a 018 kg baseball at a speed of 0936c find the following for the baseball1 rest energynbsp2 kinetic
you want to construct a physical pendulum with a period of 40 s at a location where g 98m s2 a what is the length of a
a ball of mass mb and volume v is lowered on a string into a fluid of density rhof suppose that the object would sink
a particle lives for a short time before breaking apart into other particles assume it is moving at a speed of 0976c
a 10-inch diameter vinyl record rotates on a turntable at 33 rpm a thrill-seeking ant rides along on the edge of the
the source of a sound wave has a power of 834muwnbsp if it is a point source a what is the intensity and b the sound
in maize the a locus encodes an enzyme necessary for production of anther cyanine a purple pigment at this locus a
problem 1 a water tank standing on the floor has to small holes vertically above one another punched in one side the
two people start at the similar place and walk around a circular lake in opposite directions one has an angular speed
a mass is attached to a spring on a frictionless horizontal surface the mass is pulled to stretch the spring by 1 m and
a pitcher throws a curveball that reaches the catcher in 053 s the ball curves as it is spinning at an average angular
in an experiment monochromatic light of lambda 400 nm is incident on a a single slit by a width of 1600nm bright and
a skateboarder shoots off a ramp by a velocity of 68 ms directed at an angle of 54deg above the horizontal the end of