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Consider a carousel 32 feet in diameter. This carousel takes 11 s to accelerate from rest to its operating speed of 3.75 rev/min. During this time, find a) the number of revolutions it makes and b) its angular acceleration. Now, consider a horse situated half way between the center and the edge of this carousel. Determine its c) tangential acceleration, d) maximum speed, e) maximum radial acceleration.
How much work is done by the outside force in moving the particle from A to B?
A 200KeV electron (i.e., an electron having kinetic energy of 200KeV) collides with a 200KeV positron (a particle with opposite charge of electron but) moving in the opposite direction in a head-on collision.
Recalling that an object smaller than the wavelength illuminating it cannot be "seen", what is the minimum kinetic energy of electrons needed in an electron microscope in order to "see" an atoms whose diameter is 0.1 nm, about the size of a silicon a..
what is the maximum head-start distance the speeder can have? Measure time from the moment the police car starts.
The driver of a 1780 car traveling on a horizontal road at 108 suddenly applies the brakes. How many meters does the car travel before stopping
A running house cat has 11.0 of kinetic energy at speed. What would her kinetic energy be if she ran half as fast as the speed
A generator rotates at 88Hz in a magnetic field of 2.6×10?2T . It has 1200 turns and produces an rms voltage of 120V and an rms current of 57.0A, What is the area of each turn of the coil
What is the magnitude of the electric force of attraction betweenan iron nucleus (q = +26e) and its innermost electron if thedistance between them is 1.5 x 10-12m?
Graphing either versus or versus gives a straight line. In the graph shown above, we chose to plot on the vertical axis, find the magnitude of the crankshaft's angular acceleration
A parallel plate capacitor has a potential difference of 1.6V, a plate separation of 2.5mm, What is the magnitude of the electric field within the plates
An ice skater is rotating at 3.4rev/seconds while her arms are beside her. The moment of inertia of the skater is 5kg x m^2. what is her new angular velocity
A steel ball of mass 0.5 kg is fired vertically up from the edge of a building 20 m high with an initial speed of 10 m/s. When it falls back on the ground at the base of the building, it gets buried in sand to a depth of 0.2 m. Determine: the average..
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