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To stretch a certain spring by 2.40cm from its equilibrium position requires 8.00J of work.
What is the force constant of this spring?
What was the maximum force required to stretch it by that distance?
A pair of speakers separated by 0.900 m is driven by the same oscillator at a frequency of 672 Hz. An observer originally positioned at one of the speakers begins to walk along a line perpendicular to the line joining the speakers. (Assume the spe..
A particle of mass m0 is given a kinetic energy equal to one-fourth its rest-mass energy. How fast must the particle be traveling
A rock is thrown vertically upward with a speed of 15.0m/s from the roof of a building that is 40.0m above the ground, What is the speed of the rock just before it strikes the ground
As a 1.00 cm diameter plunger reduces the height of the column of air inside the chamber from 7.00cm down to 0.50cm, the temperature inside increases from 20C to 210C. Determine the air pressure inside the chamber (in atm) after compression if the..
Consider a dry air parcel at -12 degrees celsius and 450mb that descends adiabatically down to the surface where p=1000mb, Calculate the potential temperature at the surface
A scooter begins at rest at t0 = 0 seconds. The scooter then accelerates and covers a distance d = 526 m, What is the scooters average speed during this period
Netrons are slowed down to thermal energies in a 1:1 mixture of H2O and Uranium(4 atom % U-235,96 atom % U-238). Estimate the probability that a 0.0253 eV neutron will have scattering collision with H2O.
Find the tension in the strings by drawing the FBD for the rod first. The drawing looks like a horizontal line(ceiling) with a isosceles triangle attached, the bottom of the triangle is L(rod).
At the bottom of its path, the ball strikes a 3.80 kg steel block initially at rest on a frictionless surface. The collision is elastic. Find out the speed of the ball just after the collision ?
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. what is the length (in m) of the fiber
The index of refraction for crown glass is 1.512 at a wavelength of 660 nm (red), whereas its index of refraction is 1.530 at a wavelength of 410 nm (violet), what is the angle of refraction for each wavelength
A 2000 kg car traveling at a speed of 23m/s skids to the halt on wet concrete where = 0.60. How long are the skid marks.
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