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A naive model of a solid is a bunch of masses (the atoms) connected by springs. What is the order of magnitude of the spring constant C in a typical solid? Please present a "generic" estimate of this quantity that would show how this approximate value follows just from the fact that a crystal consists of atoms bound together by some sort of chemical bonds.
A pair of hedge trimmers are 45 cm long from the pivot to the end of the handles. how much force is applied to the branch
A charge of -4.00 nC and a charge of -6.10 nC are separated by the distance of 60 cm. Find out the position at which a third charge of +7.90 nC can be placed so that net electrostatic force on it is zero.
What is the tension in each cable if angle between each and the direction the crate moves is 12°.
Two particles are fixed to an x axis: particle 1 of charge -4.00 10-7 C at x = 6.00 cm, and particle 2 of charge +4.00 10-7 C at x = 42.0 cm
A parallel plate capacitor has a capacitance of 1.5 microFarad with air between the plates. What is the dielectric constant of the material
In a metal, each atom and its core electrons are connected by "springs" to each of their neighbors. This would give a specific heat capacity of Cv= 3 KB. In addiction, each atom donates an electron to the conduction bound where they behave like a ..
A stone is launched straight up by a slingshot. Its initial speed is 19.2 m/s and the stone is 1.40 m above the ground when launched. How high above the ground does the stone rise
A pulse from a ruby laser (lambda = 694.3 nm) has an average power of 30 MW and lasts 2.9 ns. How many photons are emitted in this pulse
A car whose initial speed is 40 m/s undergoes a constant acceleration of -5 m/s2 for 6 s when its brakes are applied. How far does the car travel
Water at a pressure of 3.00*10^5 Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter
A 51-kg skier coasts up a snow-covered hill that makes an angle of 25° with the horizontal. What is the magnitude of the kinetic frictional force
The treasure map in the figure gives the following directions to the buried treasure: "Start at the old oak tree, walk due north for 460 paces, then due east for 130 paces. How far should you go to reach the treasure
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