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A thin uniform rod of mass 400 g and length 60.0 cm is suspended from a pivot and is free to rotate about it in any direction. A bullet strikes the rod at a distance of 46.0 cm from the pivot and gets stuck in it. The bullet was initially moving at a speed of 300 cm/s and was spinning about its forward-backward axis at 17.0 rad/s (its moment of inertia about the same axis is 0.30 g cm2 and its mass 21.0 g).
Find the angular speed of the rod after the bullet gets stuck in it.
A parallel-plate capacitor is charged to an electric potential of 337 V by moving 3.95×1016 electrons from one plate to the other. How much work is done in charging the capacitor.
The electric potential immediately outside a charged conducting sphere is 230 V, and 10.0 cm farther from the center of the sphere the potential is 140 V. Determine the charge on the sphere
Suppose an object is placed 6 cm in front of a lens that has a focal length of 4 cm. Where is the image located? What are the magnification and the character of the image
An aluminum wing on a passenger jet is 27 meter long when its temperature is 19°C. Obtain at what temperature would the wing be 8 centimeter (0.08 meter) shorter
On the screen of a multiple-slit system, the interference pattern shows bright maxima separated by 0.86° and seven minima between each bright maximum. How many slits are there
A wire loops of radius 0.30 mlies so that an external magnetic field of magnitude 0.40 T is perpendicular to the loop. The field reverses its direction, and its magnitude changes to 0.20 T in 2.0 s. discover the magnitude of the average induced emf i..
As noted above, the volume of a sphere is 4/3 pi^3. Write out an equivalent expression of this volume in terms of its diameter (d) since it is d that will be gauged: (an exercise in algebra)
question on a windy day a leaf is blown from 5m high central branch tree. as soon as it leaves the branch it is blown
Using a thin lens with a focal length of f =+5.2cm, a student makes two measurements. She finds the distance to the object to be o =+3.1cm. What distance, i, should she expect for the image? Describe whether this is a real or virtual image using the ..
a very long solid insulating cylinder of radius a has charge distributed uniformly throughout its volume with charge
An electron on the axis of an electric dipole is 23 nm from the center of the dipole. What is the magnitude of the electrostatic force on the electron if the dipole moment is 4.0 10-29 C·m? Assume that 23 nm is much larger than the dipole charge sepa..
A 50 g Super Ball travelling at 28 m/s bounces off a brick wall and rebounds at 18 m/s. A high-speed camera records this event. If the ball is in contact with wall for 5 ms, what is the magnitude of the average acceleration of the ball throughout ..
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