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A rod of length L0 moves iwth a speed v along the horizontal direction. The rod makes an angle of (theta)0 with respect to the x' axis (a) show that the length of the rod as measured by a stationary observer is L=L0[1-v^2/c^2 cos^2(theta)0]^.5 (B) show that the angle the rod makes with the x-axis is given by the expression tan (theta) = tan (theta) 0/(1-v^2/c^2)^.5
A system consisting entirely of electrons and protons has a net charge of 1.64×10?15C, How many electrons and protons are in this system
A 5.40×10-2- wad of putty is thrown horizontally at the block, hitting it with a speed of 2 and sticking. far does the putty-block system compress spring.
Solenoids produce magnetic fields that are relatively intense for the amount of current they carry. To make a direct comparison, Find the magnetic field at the center of the solenoid
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 46.0cm, What is the magnitude of the gravitational acceleration on this planet
When a 42.0-V emf device is placed across two resistors in series, a current of 12.0 A is flowing in each of the resistors. When the same emf device is placed across the same two resistors in parallel, the current through the emf device is 62.0 A. Wh..
A monatomic gas is adiabatically compressed to 0.500 of its initial volume. How do each of the following quantities change The molar specific heat at constant volume
During a basketball game, a 1.0 kg ball gets thrown vertically in the air. Its momentarily stationary at a height of 5.0 m and then falls back down. What is the ball's speed when it hits the floor?
The density of charge-carrying electrons in copper is 8.5 × 1028 electrons m?3, its resistivity is 1.72 × 10-8 ?·m, and the drift speed is 2.80 × 10-3 m/s. At what rate must thermal energy be carried off by a cooling medium
Calculate the binding energy of the last neutron in the 4320Ca nucleus. (Hint: You should compare the mass of 4320Ca with the mass of 4220Ca plus the mass of the last neutron. The mass of 4220Ca = 41.958622 u, whereas the mass of 4320Ca = 42.95877..
An electron in chromium moves from the n = 2 state to the n = 1 state without emitting a photon. Use the Bohr theory to estimate the kinetic energy of the Auger electron
A man pushing a mop across a floor causes it to undergo two displacements. Find the magnitude and direction of the second displacement
An 8.68-kg block slides with an initial speed of 1.80 m/s down a ramp inclined at an angle of 26.3° with the horizontal. find the distance the block slides before coming to rest
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