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Figure shows one of the "eil" beams of a centrifuge that whirls around the vertical axis 0-0 with angular speed ? rad/so.
Using the stations indicated, determine the equation of motion and its natural frequencies. Compare with the case ? = 0.
The position of a particle moving along an x axis is given by x = 20t2 - 3.0t3, where x is in meters and t is in seconds. compute the maximum positive velocity reached by the particle
A motorcycle has a constant speed of 20.9 m/s as it passes over the top of a hill whose radius of curvature is 125 m. Find the magnitude of the centripetal force
A mass (m=5kg) is attached to a horizontal spring and placed on a frictionless surface. The spring-mass system is compressed, and released. What is the total energy of the spring-mass system
a 0.300 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. the second ball moves
A bicycle rim has a diameter of 0.65 m and a moment of inertia, What is the mass of the rim
A mass M is suspended from a spring and oscillates with a period of 0.860 s. Calculate the time it takes for the total energy of the oscillator to decrease to 0.50 of its initial value.
An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.4 10-6 T. What is the intensity S of the wave
what is the net work done on the block while it is moving from point a to point b? explain how you arrived at your
A thin, uniform, metal bar, 3m long and weighing 85 N, is hanging vertically from the ceiling by a frictionless pivot. Find the angular speed of the bar just after the collision
a mass of 20 kg is attached to a spring whose spring constant is 2000 nm. the mass is displaced and released. the mass
1. an air puck bounces back and forth between two parallel walls always traveling perpendicular to the walls. each time
One string of a guitar is 75 cm long. The mass of the string is 8g. What tension must you tune the string to if it is to have a second harmonic frequency of 440 Hz?
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