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A car and its suspension system act like a mass-spring system with m= 1200kg and k= 58 kN/m. Its worn-out shock absorbers provide a damping constant b= 230 kg/s. The car hits a pothole that sets it oscillating. How many oscillations will it make before the oscillation amplitude drops to half of its initial value?
the position of a particle is given by the expression x=4cos(3pt+p), where x is in meters and t is in seconds. estimate the frequency and the period of the motion
a 1.2-kg 10-cm-diameter solid sphere is rotating about its diameter at 69 revmin.a what is its kinetic energy?b if an
A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one cliff than the other. find the distance (in m) between the cliffs
One can not align the apparatus to eliminate entirely the effects of the Earth's magnetic field. calculate the component of the earth magnetic field perpendicular to the entering electron beam
q. a motorcycle is traveling up one side of a hill and down the other side. the crest of the hill is a circular arc
A 2.0g lead bullet at 0 C is fired into a large block of ice at 0C, in which it becomes embedded. What speed would result in the bullet being melted
A square of side "a" has a charge "+Q" at each corner. What is the electric potential energy of this system of charges?
a 1200 kg cannon fires a 100.0 kg cannonball at 35 ms. what is the recoil velocity of the cannon? assume that
A 50 kg person is riding a Ferris wheel. The Ferris wheel consists of 8 metal cars, each with mass 1500 kg located 15 m from the center. What is the angular acceleration of the Ferris wheel
A 1 041-kg satellite orbits the Earth at a constant altitude of 103-km. What is the change in the system's potential energy
A 11 g bullet is fired horizontally into a 109 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 142 N/m. The bullet becomes embedded in the block.
A person is riding a bike, the wheels of a bike have an angular velocity of +18.5 rad/s. Evaluate the angular acceleration of each wheel
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