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A vertical spring of k=115 N/m supports a mass of 75g. The mass oscillates in a tube of liquid. IF the mass is initially given an amplitude of 5.0cm, the mass is observed to have an amplitude of 2.0cm after 3.5 seconds. Estimate the damping constant b. Neglect buoyant forces.
A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which the satellite travels
A 23-g bullet traveling 270m/s penetrates a 2.2kgblock of wood and emerges cleanly at 215m/s. how fast does it move after the bullet emerges
A rocket rises vertically, from rest, with an acceleration of 4.0m/s2 until it runs out of fuel at an altitude of 1400m. After this point, What maximum altitude does the rocket reach
a 10.0-cm-long wire is pulled along a u-shaped conducting rail in a perpendicular magnetic field. the total resistance
When a charged particle moves at an angle of 17° with respectto a magnetic field, it experiences a magnetic force of magnitudeF. At what angle (less than 90°) with respect to thisfield will this particle, moving at the same speed, experience amagneti..
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. calculate the moon\'s radial acceleration
A rod is 0.5100 m long at 25C. At 225C the rod is loaded with a stress of 2 76 MPa and its length is found to be 0.5358 m, calculate the coefficient of thermal expansion for this material
The frequency of sound wave from an ambulance is 2,400 Hz. The velocity of sound is 345.0 m/s. find the frequency of the siren heard by the observer
a two stage rocket of mass 751kg traveling at speed 709ms separates into a first stage of mass 236kg moving at zero
1) Find the net force acting on particle 3 due to the presence of the other two particles. Report you answer as a magnitude and a direction measured from the positive x axis.
a charged particle is projected in a uniform electric field between two plates with initial velocity 5x103ms at angle
Calculate the de Broglie wavelength ? of an electron with energy EF in sodium, and compare the value with the atomic separation R in sodium
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