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What is the wavelength of an electron that has a mass of 9.10938188 ? 10-31 kg and a velocity of 3.65 ? 106 m/s? Give your answer in angstroms.
To what frequency must the homesick captain tune the ship's radio to receive the broadcast? (Round your answer to three significant figures.)
A 10 kilogram mass and a 2 kilogram mass are connected by a light string over a mass less frictionless pulley. determine the acceleration of the system when released
A solid disk rotates in the horizontal plane at an angular velocity of 0.038 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.19 kg ·m2. From above, sand is dropped straight down onto this ..
A hydrogen atom is in its third excited state (n = 4). Using the Bohr theory of the atom, calculate the following. the radius of the orbit. the linear momentum of the electron
Your physics textbook is sliding to the right across the table. Identify all forces acting on the object: Draw a free body diagram of the object.
in a holography setup such as that of fig. 15-5 the distance and the distance . what must be the frequency width of
Assume that country Pacifico is an open economy and the world price of cars is $10. The domestic demand for cars in Pacifico is Q=90-P.
Two radio waves are used in the operation of a cellular telephone. To receive a call, the phone detects the wave emitted at one frequency by the transmitting station or base unit. determine the difference between the two frequencies used in the ope..
If the bar drops from rest, what's the magnitude of the induced emf after it's been falling for 0.4s ? (You may assume that the magnetic force on the falling bar is much less than the bar's weight.)
The entrance to a large lecture room consists of two side-by-side doors, one hinged on the left and the other hinged on the right. What is the diffraction angle of the sound under each of the following situations
Does the uncertainty in the theoretical value of Idisk account for the discrepancy in the experimental and theoretical values of Idisk
a major-league pitcher can throw a ball in excess of 40.7 ms. if a ball is thrown horizontally at this speed how much
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