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a barge is hauled along a straight-line section of canal by tw ohorses harnessed to tow ropes and walking along the tow
a a large non conducting sphere of radius 30 cm is uniformlycharged throughout with a net charge of -3muc calculatethe
a 20kg loudspeaker is suspended 20m below the ceiling twocables that are each 30 degrees from vertical what is the
a small package is fired off earths surface with an unknown launchspeed at a 400circ angle with the localhorizontal it
a helium-neon laser radiating at 6328 nm has a power outputof 30 mw the beam diverges spreads at angle 017 mrada what
the question reads a spaceship is approaching a space station at aspeed of 18 x 105 ms the space station has a beacon
a cylindrical container with a cross-sectional area of797 cm2 holds a fluid ofdensity 765 kgm3 at thebottom of the
to help prevent frost damage fruit growers sometimes protecttheir crop by spraying it with water when overnight
water is pumped steadily out of a flooded basement at a speedof 50 ms through a uniform hose of radius 10 cm thehose
a simple pendulum consists of a ball connected to one end of athin brass wire the period of the pendulum is 181 s
light of wavelength 633nm is shone normally on a planecontaining two slits the first interference maximum is 82cm
water is pumped into a storage tank from a well delivering178 gallons of water in 30 seconds through a pipe of 116
a person on a safari wants to take aphotograph of a hippopotamus from a distance of 760 m the animal is 500 m long and
two solenoids are part of the spark coil of an automobilewhen the current in one solenoid falls from 70 a to zero in 25
consider an incompressible fluid inside a closed verticalcylinder the applied pressure at top of the fluid is 202 x10
a a solid block is suspended from a spring scalewhen the block is in air the scale reads 359 n when immersed inseawater
consier a long length 15m uniform wooden beam mass 60 kgattached horizontally to a wall that can only support a
a truck is traveling at 56 mih 252 ms down the interstatehighway where you are changing a flat tire as the
superman attempts to drink water through a very long strawwith his great strength he achieves maximum possible suction
at a point 11km deep in the ocean the pressure is 113e8paa calculate the change in volume of 100 m3 of water
you have two lenses separated by 25cm lens one is onthe left it has a focal length of 15cm lens two is on theright it
a 1500 kg car traveling at 90 kmh east collides with a 3000kg car travling at 60 kmh south the two cars stick together
a container of volume 040m3 contains 33 mol ofargon gas at 28degc assuming argonbehaves as an ideal gas find the total
three children each of weight 356n make a log raft bylashing together logs of diameter 030m and length 180m how many
the student sits on a pivoted stool while holding a weight ineach outstretched hand the stool rotates about a