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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?
The plates of a parallel plate capacitor are 'd' mts apart. At t=0 an electron is released at the bottom plate with a velocity v' normal to the plates . The potential of the top plate with respect to the bottom is -Vm Sin(ωt). Find the position of th..
The human lungs can function satisfactorily up to a limit where the pressure difference between the outside and inside of the lungs is one-twentieth of an atmosphere. how far below the water can she swim
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metal sphere of radius 32 cm has a net charge of 3.0 multiply.gif 10-8 C. What is the electric field at the sphere's surface
A college student renting in a home has a circuit box capable of drawing only 25.0 A before blowing a fuse. With the common wall voltage of 120 V, calculate the maximum power that this home may use
A 57 kg student sits on a chair which is solely supported by a solid 1/2 meter long steel rod 1cm in diameter. To the nearest micron (millionth of a meter) what is the change in length of the rod produced by the student's weight.
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 3.5 kg*m^2. Calculate the initial and final kinetic energy of the system
In which collision is the impulse on the cart greater. The magnitude of the charge on an electron is 1.6e-19 C
An electron of mass, m, collides with an atom of mass M. The atom is initially at rest, What is the minimum speed of the electron in order to excite the atom
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