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A spring with spring constant k stands vertically, and a massm is placed on top of it. The mass is gradually lowered toits equilibrium position. With the spring held at thiscompression length, the system is rotated to a horizontalposition. The left end of spring is attached to a wall, andthe mass is placed on a table with coefficient of kinentic frictionμ = 1/8. The mass is released.
(a) what is the initial compression of the spring?
(b) How much does the maximal stretch (or compression) of thespring decrease after each half-oscillation?
(c) How many times does the mass oscillate back and forthbefore coming to rest?
an electric dipole has charges of +- 4.55pC that are seperate by 6.00cm. The dipole lies on the x axis and its center is at the origin. Determine the torque on the dipole about its center of mass
Tritium (3/1 H) is a heavy isotope of hydrogen, with an atomic mass of 3.016049 u. find the binding energy per nucleon for tritium
A block of wood floats in fresh water with two-thirds of its volume V submerged. Find the density of the wood and the liquid
A gas is contained in a chamber such as that in Figure below. Suppose the region outside the chamber is evacuated and the total mass of the block and the movable piston is 104 kg. What is the distance s through which the piston rises
A car is traveling down a hill that makes an angle of 13° with the horizontal. The driver applies her brakes, evaluate the acceleration of the car
Two beams of planar wavefront, 633-nm coherent light, whose directions are 120o apart, strike a photographic emulsion of index 1.6. Sketch the arrangement, showing the orientation of the planes of constructive interference within the emulsion.
Unpolarized light passes through two polarized sheets. Theaxis of the first is vertical and that of the second is at16degrees to the vertical. What is the fraction of the initiallight that is tranmitted
An 8.00 kg package in a mail-sorting room slides 2.00 m down a chute that is inclined at 53.0o below the horizontal. What is the net work done on the package
The observer on the right, sees two final images. One image comes directly from the objet. The other images comes from the reflection of the object in the mirror. What is the focal length of the concave mirror
You have a lens with a focal length of 35 cm. You need to combine this lens with another, What focal length should you choose for the second lens
A loop of 50 turns and 40cm^(2) rotates with angular velocity of 300 turns per minute normal to a magnetic field of 0.5 T
An engineer wishes to determine the specific heat of a new metal alloy. A 0.150-kg sample of the alloy is heated to 540°C. Calculate the specific heat of the alloy
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