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a physical pendulum is constructed using a 235kg object having a moment of inertia of 27 kg-m2 aboutits center of mass
two blocks with masses m1 and m2 are released from the top of twofrictionless inclined planes of the same height making
although the altitude may vary considerably hailstones sometimes originate around 500m about 1500ft above the grounda
2m long wire is carrying a current of 2a the the wire is placed atangle 60deg with respect to magnetic field if wire
thin layer of oil n125 is on top pf puddle of water n133if normally incident 500 nm light is strongly raflected what is
a stone of mass m rests on a spring which is compressed a distanceof 1 cm by the stone the stone is pushed down an
you are moving due north on your tricycle with a velocity020ms you aee a fellow tricyclist moving with relativevelocity
a 11-kg 20-cm-diameter solid sphere is rotating about its diameter at 69 revmina what is its kinetic energyb if an
a street lamp weighs 150n it is supported by two wires thatform an angle of 120 degrees with each otherthe tensions in
while riding bumper cars at the fair bobs car collides directly with the back of joes car while both cars are moving to
a city encompasses 820km2a if an average of 2 inches of rain fell on the cityduring a summer storm how many kilograms
two capacitors one with capacitance c and a second with capacitance c3 are connected in parallel a battery is placed
a storage tank 25m high is filled with gasolinea find the gauge pressure at the bottom of the tankb calculate the force
a piece of concrete measures 3 ft by 3 ft by 125 fta whatis its weightb find the buoyant force that acts on it when it
a block whose mass m is 680 kg is fastened to a spring whose spring constant k is 65 nm the block is pulled a
a 165-m-long cable consists of asolid-inner cylindrical nickel core 20cm in diameter surrounded by a solid-outer
an 800-n billboard worker stands on a 40-mscaffold supported by vertical ropes at each end if thescaffold weighs 500 n
1 an astronaut in training is placed in a merry-go-round-likedevice that rotates her at high speed in a horizontal
a 73 kg window cleaner uses a 17 kg ladder that is 51 m long heplaces one end on the ground 30 m from a wall rests the
a 400 kg object isswinging in circular path and in a vertical plane on a 500 mlength string if the angular speed is the
a scaffold of mass 43 kg and length 60 m is supported in ahorizontal position by a vertical cable at each end a
a billiard ball is moving in the x-direction at 30 cms and strikes another billiard ball moving in the y-direction at
a 30 kg particle with velocity v 50 ms i -60 ms j is at x 30 m y 80 m it ispulled by a 70 n force in the negative x
a high-voltage power line carries a current of 110 a at a locationwhere the earths magnetic field has a magnitude of
oxygen for hospital patients is kept in special tanks where the oxygen has a pressure of 650 atmospheres and a