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Each of the following objects has a radius of 0.174 m and a mass of 2.79 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.7 rad/s. Find the magnitude of the angular momentum of each object.
A brave child decides to grab on to an already spinning merry-go-round. The child is initially at rest and has a mass of 34.5 kg. What is the moment of inertia of the merry-go-round
An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of4.50mT. The angular momentum of the electron about the center of the circle is4.00multiplied by10-25J·s. Determine the radius of the circular path
If there are 5000 lines per cm are ruled on a diffraction grating instrument, Find the spacing of slit used in the experiment
To withstand "g-forces" of up to 10 g's, caused by suddenly pulling out of a steep dive, fighter jet pilots train on a "human centrifuge." at what speed is the rider moving when she experiences 10 g's
A water collector on a farm roof 5m high from the ground overflows with rain through a large circular are of radius 1.2m. The water then falls through a pipe and into a tub near the ground; it exits the pipe through a .3m radius spout located .5m fro..
A 210 turn coil has an area of 4.8 cm2 and rotates in a magnetic field of 0.5 T. (a) What frequency will generate a maximum emf of 10 V? (b) If the coil rotates at 60 Hz, what is the maximum emf?
"A battleship moves away from the coast, where there is a high cliff. When it's 680m away from the coast it shoots a gun, Calculate the constant speed Battleship
A point charge q = +37.0 µC moves from A to B separated by a distance d = 0.178 m in the presence of an external electric field, Find the work done by the electric force
Consider a dielectric material with dielectric constant (e) and with a given free charge distribution per unit volume ?f. Show that the dielectric constant is > 1 and show that the bound charge per unit volume ?b and the total charge per unit volume ..
When responding to sound, the human eardrum vibrates about its equilibrium position. What is the maximum acceleration of the eardrum
A uniform plank of length 4.3m and weight 236N rest horizontally on two supports, with 1.1m of the plank hanging over the right support. To what distance x can person who weighs 450N walk on the overhanging part of the plank before it just begins ..
In the Millikan oil-drop experiment illustrated in the figure below, an atomizer is used to introduce many tiny droplets of oil between two oppositely charged parallel metal plates, Estimate the radius of an oil drop of density 854 kg/m3 for which it..
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