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A copper rod 1.2 centimeter in diameter and 27 centimeter long is located across a voltage of 24.0 Volt.
a) Determine the resistance of the rod.
b) Compute the drift speed of the electrons in this rod.
The huge volcanic eruption on the island of Krakatoa, Indonesia, in 1883 was heard on Rodrigues Island, How long did it take (in seconds) for the sound to travel to Rodrigues
Three non-interacting particles are in their ground state inan infinite square well; see the figure above. what happens when amagnetic field is turned on which interacts with the spins of theparticles? Draw the new levels and particles (with spin).
The first and second electron shells of an element are filled and there are five electrons in the third electron shell
when a mass of 180g is attached to a vertical to a vertical spring and lowered to its equilibrium position, it is found that the spring extends 12cm. what is the period of the resulting oscillations
A billiard ball moving at 5.30 m/s strikes a stationary ball of the same mass. Find the velocity (magnitude and direction) of the second ball after collision
A 16 cm-diameter compressed-air tank is 30 cm tall. The pressure at 20 degrees C is 140 atm. What volume would this air occupy at STP
A typical flashlight battery will produce a 0.50-A current for about 3 h before losing its charge. Determine the total number of electrons
Two identical uniform poles of mass 50 kg and linear mass density 15 kg/m are supported by pivots 2 m apart on level ground. what angle do the poles make with the vertical
A 500 kg polar bear of average density 950 kg/m3 is stranded on a melting chunk of ice in the ocean. What is the smallest volume of ice that will keep the bear entirely above water
To start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of 340 m/s at 47.0° above the horizontal, What are the x and y coordinates of the shell
Can you explain the differences between elastic collisionand inelastic collesion with some examples? I dont fully understand law of coservation. can you givesome exaples about objects being conserved?
The unit of horsepower was defined by considering the power output of a typical horse. Working-horse guidelines in the 1900s called for them to pull with a force equal to 10% of their body weight at a speed of 3.0 {\rm mph}. Part A For a typical work..
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