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Question: A vibrating system consisting of a mass of 2.267 kg and a spring of stiffness 17.5 N/cm is viscously damped such that the ratio of any two consecutive amplitudes is 1.00 and 0.98. Determine
(a) the natural frequency of the damped system,
(b) the logarithmic decrement,
(c) the damping factor, and
(d) the damping coefficient.
A roller coaster car goes over a hill at a constant speed of12.0m/s. (a) what radius should the hill have in order for the rider in the car to feel weightless at the top of the hill?
If you triple the distance between two charged objects, by what factor is the electric force affected
One liter (1000 cm ^3) of oil is spilled onto a smooth lake it the oil spreads out uniformly unit it makes an oil slick just one molecule thick with adjacent molecules just touching estimate the diameter of the oil slick
On a cool morning, when the temperature is 16.0 ^circC, you measure the pressure in your car tires to be 20.0 psi. After driving 30.0mi on the freeway, temperature of your tires is 51.0 ^circC.
A rope that is tied between a motor and a crate can pull the crate up a hill of ice (assume no friction) at constant velocity. Write the equations for the body in equilibrium
A compact disc (CD) stores music in a coded pattern of tiny pits 10-7 meter deep. The pits are arranged in a track that spirals outward toward the rim of the disc; Find the angular speed of the compact disc
A child, hunting for her favourite horse, is running on the ground around the edge of a stationary merry-go-round. The angular speed of the girl has a constant value of .250 rad/sec.
Calculate the energy in kcal used by a 50-kg woman who does 53 deep knee bends in which her center of mass is lowered and raised 0.400 m. (She does work in both directions.) You may assume her efficiency is 20%. kcal
What do you understand by the term magnetic field? Where did it used? What is the physical significance of magnetic field in our daily? Please explain in a well manner
two point-like particles are placed 33.4 cm apart and are given equal and opposite charge. the first particle of mass
For a step-down transformer, the input voltage is 120V (rms) and output is to be 6v (rms). What should be the number of turns on the secondary side of the transformer, if the number of turns on the primary side is 200
A brass plate with a thickness of 1.00 cm is placed over a copper plate with a thickness of 2.00 cm, What is the effective coefficient of thermal conductivity for the brass - copper layer
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