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A yacht sails overnight on a course of 60o (clockwise from north). Observations at dawn show the yacht to be 100 nautical miles farther north than it was at evening twilight. Find the yacht displacement between twilight and dawn?
A person drops a cylindrical steel bar (Y = 1.50 × 1011 Pa) from a height of 3.00 m (distance between the floor and the bottom of the vertically oriented bar). what is the maximum compression of the bar
A constant 3.90 Amp current moves along a straight wire that is perpendicular to a 2.40 T magnetic field. determine how much magnetic force will it experience
If a car traveling at 66 km/h will skid 22 m when its brakes lock, how far would it skid if it is traveling at 120 km/h when its brakes lock.
q1. one reasonable design goal for an imaging system is to match the air disk diameter to the detector size. that
an unstrained horizontal spring has a length of 0.27 m and a spring constant of 230 nm. two small charged objects are
An ideal, monatomic gas is allowed to expand quasi-statically and adiabatically from an initial volume Vi = 4.1 liter and initial temperature Ti = 390 K to a final volume of Vf = 9.2 liter. Calculate the heat added to the system in this isothermal ..
liquid storage cans such as gasoline cans generally have capped vents. what is the purpose of the vents and what
you have a 2.09-m-long stretched string with a mass of 19.1 g. when you oscillate the string at 440 hz which is the
A heat engine has an effiency of 35.0 % and recieves 150 K of heat per cycle. How much heat does it exhaust in each cycle
A sample of the radioactive nuclide is prepared that has an initial activity of 7.28×1011 .92.4 after the sample is prepared, What is the half-life of this nuclide
In a machine shop,a hydraulic lift is used to raise heavy equipment forrepairs. What force must be applied to the small piston inorder to lift the engine in units of N
A 114 gram hockey puck sent sliding over ice is stopped in 14.9 meter by the frictional force on it from the ice. Find the coefficient of friction between puck and ice
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