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A free electron has a wave function Ψ (x)=Asin(5*(10^10)x) where x is measured in m. Find (a) the electron's de Broglie wavelength, (b) the electron's momentum, and (c) the electron's energy in eV.
In order for a car to turn along a curve in the road, it must experience a centripetal acceleration (according to an inertial observer). what force is responsible for providing this acceleration
A mouse is running away from a cat at 0.75 m/s and, at 1.25 m from his mouse hole, he accelerates at a constant rate of 0.25 m/s2 until he reaches his hole safely. How long a time was required for him to cover the last 1.25 m?
Monochromatic light is incident on a grating that is 75 mmwide and ruled with 50,000 lines. What is the wavelength of the incident light
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. what is the velocity of the fluid in the narrow section
A 2.00 kg particle moves in the xy plane with a velocity of v = (4.00 - 3.30 ) m/s. Determine the angular momentum of the particle
A yo-yo is made of two solid cylindrical disks, each of mass 0.052 kg and diameter 0.070 m, joined by a (concentric) thin solid cylindrical hub of mass 0.0053 kg, What fraction of its kinetic energy is rotational
A box of weight Fg=2N accelerates down a rough plane that isinclined at an angle %u03C6=30 degrees above the horizontal, What is the work Wgrav done on the box by gravity
A small ball rolls off the roof edge of a building with a horizontal speed of 2.3m/s. The ball hits the ground a distance of 15.8m from the building's base. Calculate the following: A) the height of the building and the velocity of the ball prior to ..
A person throws a ball upward into the air with an initial velocity of 15.0 m/s. Calculate how high it goes and how long it is on the air before it comes back to his hand
A drinking fountain projects water at an initial angle of 50 degrees above horizontal Water reaches maximum height of 0.150m above point of exit. Calculate gauge pressure in feeder pipe at this point
Two point charges lie along the y-axis. A charge of q1 = -9.5 %u03BCC is at y = 6.0 m, Locate the point (other than infinity) at which the total electric field is zero
q1. the potential at location a is 419 v. a positively charged particle is released there from rest and arrives at
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