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A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 3.9 kg · m2. A second student tosses a 1.4-kg mass with a speed of 2.8 m/s to the student on the stool, who catches it at a distance of 0.40 m from the axis of rotation. What is the resulting angular speed of the student and the stool?
If you place the box on a dolly of mass 4.7 and with coefficient of rolling friction 2.0×10−2, illustrate what horizontal acceleration would that 154 force provide?
A sperical source ratiates sound uniformly in all directions. At a distance of 18m, the sound intensity level is 100dB. what power is radiated by this source
A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. The aluminum is 3 mm thick.
Two electrons are fixed 2.1 cm apart. Another electron is shot from infinity and comes to rest midway between the two. What was its initial speed
A 330-power compound microscope has a 4.9mm focal-length objective lens. If the distance from eyepiece to objective is 12cm, what should be the focal length of the eyepiece
An airplane is flying with a velocity of 85.0 m/s at an angle of 25.0 degrees above the horizontal. When the plane is a distance 117 m straight above a dog that is standing on level ground, a suitcase drops out of luggage compartment. How far from..
The wavenumber of the incident radiating in a Raman spectrometer is 20487 cm-1. What is the wavenumber of the scattered Stokes radiation
What is the integral from s to p of B dot dL, where an integral is taken along the dotted path shown, first from point P to point R at (x,y) = (0.707d, 0.707d), and then to point S at (x,y) = (0.6d, 0.6d).
A .060-kg tennis ball, initially moving 5.50 m/s, has a head on collision with a .090-kg ball initially moving in the same direction, determine the Speed and direction of each ball after collision
High-voltage power lines are a familiar sight throughout the country. What is the resistance of ten kilometers of this wire
A car traveling at a speed of vo = 60 m/s stops smoothly (that is, its deceleration is constant) over a distance of d = 167 m. What is its acceleration during the time it is stopping.
At which wavelengths (or energies) will you observe lines in infrared absorption (a phonon absorbs a photon) and raman scattering spectra? The temperature is 300 k. raman scattering is excited with a cw Argon laser at 514.5 nm.
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