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A mass-on-a-spring system has a spring constant k =372 N/m and a mass m =0.46 kg.
(a) If it is given an initial displacement of0.27 m and then released, what is theinitial potential energy of the oscillator?(b) What is the maximum kinetic energy of the oscillator?
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.744 rev/s. find the initial and final kinetic energies for this system
the temperature of the air in a resonator is 15degc when a tuning fork vibrates at one end the spacing between tow
A train at rest emits a sound at a frequency of 1045 Hz. An observer in a car travels away from the sound source at a speed of 37 m/s. What is the frequency heard by the observer? Imagine the speed of sound in air to be 340 m/s.
Explain the velocity of two different objects: heavy rock & light feather. 1st, describe what happens when the two objects are dropped on Earth. 2nd, compare this to what happens on the Moon.
A thick spherical shell of charge Q and uniform volume charge density ? is bounded by radii r1 and r2, where r2 > r1. With V = 0 at infinity, find the electric potential V as a function of the distance r from the center of the distribution, consid..
A plank 2.00 cm thick and 15.1 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. find the shear modulus of the wood
A block of mass m1 = 1.75 kg and a block of mass m2 = 5.90 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 10.0 kg. These blocks are allowed to move on a fixed block-wedge of ..
A 10.0-m long string is moved up and down with simple harmonic motion with a frequency of 33 Hz. Determine the wavelength of the waves on the string
A wooder raft has mass of 76kg. When empty it floats in water (density 1000 kg/m^3) with 40% of its volume submerged
A comet orbits the Sun with a period of 83.77 years. The comet's distance of closest approach to the Sun (perihelion) is 1.087 AU. What is the maximum distance of the comet from the Sun
A man pushes a 16kg block from rest to speed v doing 1200 j of work in the process, during this time, find the horizontal force exerted on the block
An insect sits on the edge of a spinning record that has a radius of 0.15 m. The insect%u2019s speed is 0.6 m/s. What is the insect's acceleration
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