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A ball of mass 1.7 kilogram is hung from a spring which stretches a distance of 0.27 meter. Calculate whta is the spring constant of the spring?
illustrate what minimum projection angle would achieve this result? What maximum pro- jection angle would achieve this result?
an initially stationary block of mass m on a floor. A force of magnitude F = 0.580·mg is then applied at upward angle ? = 16°. What is the magnitude of the acceleration of the block across the floor if (a) ?s = 0.600 and ?k = 0.500
the displacement of a standing wave on a string is given by D = 2.8sin(0.70x)cos(55 t), Find the speed of a particle of the string
A force of 40.0 N accelerates a 5.0-kg block at 6.0m/s^2 along ahorizontal surface. How large is the frictional force
in an eye that is farsighted the eye focuses parallel rays so that the image would form behind the retina. in an eye
A lab technician uses laser light with a wavelength of 640 nm to test a diffraction grating. How many lines per millimeter does this grating have
A skier is gliding along at 3.0 m/s on horizontal, frictionless snow. He suddenly starts down a 10° incline. His speed at the bottom is 15 m/s. How long does it take him to reach the bottom
darla charges a parallel plate capacitor with the help of a battery. she than removes the battery and halves the
solve the following problems. you must show all work for fullpartial credit. when complete attach a typed cover sheet
The skier has just begun descending the 30 degree slope. The coefficient of sliding friction is 0.10. Calculate (a) the skier's acceleration (b) the speed they'll reach after 6.0 seconds.
A gardener opens a hose and water is ejected horizontally at the speed of 6m/s. The diameter of the hose is 2cm and the density of water is 1000kg/m^3.
The vibrational energy levels of an HBr molecule are EK = C (K + ½), where C = 5 · 10–20 Joules and K = 0, 1, 2,… Each level is singly degenerate: gK = 1. Consider four HBr molecules trapped in a solid matrix such that they are able to undergo vib..
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