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a prospector finds a solid rock composed of granite rho 2650 kgm3 and gold the volume of the rock is 295 10-4 m3 and
a student wants to use a meter stick as a pendulum he plans to drill a hole through the meter stick and suspend it from
a 120 kilogram box resting on a horizontal frictionless surface is attached to a 500 kilogram weight by a thin light
inside the cylinders of a diesel engine the mixture of fuel and air is compressed to about 120 of its original volume
gasoline flows through a horizontal pipeline with a flow rate of 25 ft 3 min a pressure gauge measures the pressure to
two waves of the equal frequency have amplitudes 213 and 136 they interfere at a point where their phase difference is
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