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a hollow cubical box is 0109 meter on an edge this box is floating in a lake with 14 of its height beneath the surface
an object is solid throughout when the object is completely submerged in ethyl alcohol its apparent weight is 164
a simple at woods machine uses two masses m1 and m2 starting from rest the speed of the two masses is 96 ms at the end
a 400 l copper can is filled with water at 500oc if the top is not capped determine how much water will overflow when
to find the acceleration of a glider moving down a sloping air track you measure itsnbsp velocities v1 and v2 at two
a long thin steel rod is 50000 centimeter long at 0oc when exposed to the summer sun its temperature is raised to 33oc
a proton is placed at a distance of 0400 meter from a point charge of 830 microc the repulsive electric force moves the
armadillos have an unfortunate defense mechanism that gets them slaughtered in large numbers on texas roads they
a satellite circles the earth in an orbit whose radius is 11 times the earths radius the earths mass is 598 1024
an old-fashioned single-play vinyl record rotates on a turntable at 450 rpm what are a the angular velocity in rads
a 102 kilogram fireman slides down a pole to the ground floor 33 meter below the fireman starts at rest and lands with
estimate the number of electrons present in a neutral 16kg block of
a wooden plank is 500 meter long and supports a 750-kilogram block 200 meter from one end if the plank is uniform with
a 2400-kilogram truck is 600 meter from one end of a 270-meter-long bridge a 1500-kilogram car is 100 meter from the
a car has a 12 w reading lamp in the ceiling this lamp operates with a potential difference of 12 v across it determine
a personal computer is to be used to program several different plcs from different manufacturers what would be
a laser beam is incident at an angle of 380 degree to the vertical onto a solution of corn syrup in watera if the beam
evaluate the critical angles for the following materials when surrounded by air suppose that lambda 589 nma zircondegb
a ball on the end of a string is revolved at a uniform rate in a vertical circle of radius 720 centimeter if its speed
a block mass 18 kilogram is hanging from a mass less cord that is wrapped around a pulley moment of inertia 12 10-3
an engine absorbs 1695 joule from a hot reservoir and expels 1201 joule to a cold reservoir in each cyclea evaluate
a particular engine has a power output of 600 kw and an efficiency of 290 percent assume the engine expels 8000 joule
two circular rods one copper and one steel are joined end to end each rod is 0750 meter long and 150 centimeter in
a pitcher throws a 015 kilogram ball so that it crosses home plate horizontally with a speed of 20 ms the ball is hit
an engine absorbs 200 joule of energy from a hot reservoir and exhausts 160 joule to reservoir at 300kelvin estimate