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in 0785 second a 745-kilogram ball is pulled through a distance of 365 meter on a frictionless horizontal surface
the largest barometer ever built was an oil-filled barometer constructed in leicester england in 1991 the oil had a
an airplane passes over a checkpoint and flies 10 kilometer east then 5 kilometer north then 10 kilometer north west
a 10-kilogram block of southern pine 30 centimeter on a side is held submerged under water determine what force is
a sample of 500 kilogram of water at 2000oc is mixed with 1000 kilogram of water at 2300oc evaluate the change in
water from a garden hose that is pointed 28 degree above the horizontal lands directly on sunbather lying on the ground
two resistors of 60omega and 40omega are connected in a series closed circuit with a 120 v sourcea create a sketch of
a record is dropped vertically onto a freely rotating undriven turn table frictional forces act to bring the record and
a simple harmonic oscillator consists of a mass of 3 kilogram on a spring of force constant 015 nm calculate the
starting from rest a basketball rolls from the top of a hill to the bottom reaching a translational speed of 66ms
determine the mass of water that vaporizes when 210 kilogram of mercury at 205oc is added to 0110 kilogram of water at
a cubical box with sides of length 0338 meter contains 1200 moles of neon gas at a temperature of 277 kelvin the mass
when perspiration on the human body absorbs heat some of the perspiration turns into water vapor the latent heat of
a child water pistol shoots water through a 10 millimeter-diameter hole if the pistol is fired horizontally 80
in a double slit arrangement the slits are separated by a distance equal to 100 times the wavelength of the light
if an object on a horizontal frictionless surface is attached to a spring displaced and then released it oscillates
a thick vertical iron pipe has an inner diameter of 0065 meter a thin aluminum disk heated to a temperature of 85oc
suppose a plane flew east along the equator from the prime meridian to the international dateline that is accurately
a grocery cart with a mass of 18 kilogram is pushed at fix speed along an aisle by a force f 12 newton the applied
a ray of light in water index n1 is incident on its surface with air at the critical angle for total internal
when traveling past an observer with a relative speed v a rocket is measured to be 910 meter long when the rocket
a street lamp weighs 160 newton it is supported by two wires that form an angle of 100 degree with each other the
in an adjustable nozzle for a garden hose a cylindrical plug is aligned in the direction of the hose and can be
in the ground state of the hydrogen atom the electron has a total energy of -136 eva find its kinetic energy andb
occasionally huge ice bergs are found floating on the oceans currents assume one such ice berg is 122 kilometer long