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A block of wood of mass 0.938 kg is initially at rest. A bullet of mass 0.0492 kg traveling at 107 m/s strikes the block and becomes embedded in it. With what speed do the block of wood and the bullet move just after the collision?
The label on a 12.0-V truck battery states that it is rated at 219.0 A·h (ampere-hours), How much electric energy can the battery supply and How much charge in coulombs can be pumped by the battery
A 100kg football player is moving at 5.8m/s to the east; a 140kg player is moving at 5.2m/s to the west. While they are still in the air, which way is the pair moving
Calculate the longest three wavelengths and the series limit for the Paschen (n2 = 3) and the Brackett (n2 = 4) series, and plot both series on the same linear scale.
Two parallel plates, each with an area of 110, are given equal and opposite charges of magnitude 0.18. The space between the plates is filled with the dielectric material, and the electric field within the dielectric is 0.31.
A cord is used to lower verically a block of mass M a distance d at a constand downward acceleration of g/4. Find the work done by the cord on the block
An 8.50 kg point mass and a 15.0 kg point mass are held in place 50.0 cm apart. Find the magnitude of the acceleration of the particle
a ray of light strikes a flat 2.00-cm-thick block of glass n1.50 at an angle of 30 degrees with respect to the normal.a
Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. What is the direction of the electric field midway between the surfaces
A farsighted person has a near point that is 48.0 cm from her eyes. Find the focal length of the eyeglasses
The work function of an element is 3.2 eV. Photons of a certain energy are found to eject electrons with a kinetic energy of 2 eV. What is the speed of the ejected electrons
A ray of light strikes a block of some transparent material at an angle of incidence of 60degrees. Find the speed of light in the block
A lens for a 35mm- camera has a focal length given by = 51mm, What is the magnification of the image on the film
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