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a damped harmonic oscillator consists of a block m, a spring ,k and a damping force. Initial amplitude 25.0cm, because of damping the amplitude falls to three-fourths of this initial value.
(what is the value of b, and the lost energy by oscillations?)I've got 0.102 for b but what is the lost energy?
suppose you wish to make a solenoid whose self-inductance is 1.0 mh. the inductor is to have a cross-sectional area of
If friction (rolling friction and air drag) results in a retarding force of 321 N at a speed of 50 km/h, what is the minimum energy needed to move the car a distance of 283 m at a constant speed of 50 km/h? (kJ)
A 280g ball is dropped from a height of 1.6m , bounces on a hard floor, and rebounds to a height of 1.1m. What maximum force does the floor exert on the ball
Consider a 4.7mm-diameter wire made from copper (mass density of 8.9 g/cc). THe wire is carrying a current of 8milliamp. What is the average drift speed
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 60.0?. Dog A exerts a force of 272N , and dog B exerts a force of 346N. Find the magnitude of the resultant force
The figure below shows a thin, uniform bar of length D =1.11 m and mass M =0.82 kg pivoted at the top. The rod, which is originally at rest, is struck by a particle whose mass is m = 0.30 kg at a point x = 0.80d below the pivot.
After sliding on a rough, horizontal surface, a 25.0-kg rock initially going 8.5 m/s eventually stops due to friction. What average power is produced by friction
A 100W yellow lightulb(550nm) is 100m away from a 3cm diametershuttered aperture. What is the total irradiance
illustrate the cross section view of n-channel MOSFET. What is the function of charge inversion layer
Consider an adiabatic turbine operating steadily. Does the work output of the turbine have to be equal to the decrease in energy of the steam flowing through it??
A girl delivering newspapers covers her route by traveling6.00blocks west,4.00blocks north, and then3.00blocks east. What is the total distance she travels
find the minimum size of the snowshoes needed.
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