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A student from Sidney, Australia compares the distance he obtained from the 1-st spark mark to the 20-th spark mark, with the similar result of a student who did the experiment in Gaithersburg, Maryland. Both students operated identical setups powered with 60 Hz AC, reported no missing spark marks, and certified precision of their measurements in four significant figures. What difference in the results was found? Data for the gravity acceleration constant are provided in the text. Acceleration in Gaithersberg is 9.810424 + or - 0.000008 m/sec2 Acceleration in Sydney is 9.7967134 + or - .0000019 m/sec2
A mass at the end of a spring is at distance x = +2.18 cm from the equilibrium position moving with velocity v = - 20.2 cm/s. Find the amplitude of the motion in cm
A sealed tank containing seawater to the height of 11.10 m also contains air above the water at a gauge pressure of 3.20 atm. Water flows out from the bottom throughout a small hole.
A frictionless pulley has the shape of a uniform solid disk of mass 6 and radius 25 . A 1.90 stone is attached to a very light wire that is wrapped around the rim of the pulley.
A magnetic field is perpendicular to a 0.0409 m x 0.0585 m rectangular coil of wire that has 115 turns, What is the magnitude of the change in the magnetic field
A disk spinning with angular velocity , w=12 rad/s slows down to a stop in 4 seconds. What is the angular displacement delta theta
Students in a physics lab are to determine the specific heat of copper experimentally. They place 0.150 kg of copper shot into boiling water, what is the specific heat of copper
What is the angular separation of two spectral lines of wavelengths 446 nm and 398 nm formed in order m=2 with a 360 line/mm grating
A force acts on a block weighing 45N. The block is initially at rest on a plane inclined at angle θ = 18.0° to the horizontal. The positive direction of x axis is up the plane.
Compute the density of entropically raised element of air
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au^2+), each with a mass of 3.27 x 10^-25 kg. Determine the radius of the path
A 1600kg sedan goes through a wide intersection traveling from north to south when it is hit by a 2500kg SUV traveling from east to west. How fast was sedan traveling just before the collision
The hoist has a 5-year life and an estimated salvage value of $1,394. Installation costs were $2,841, and freight charges were $852. Carleton uses straight-line depreciation.
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