What is railroad freight car final velocity
A railroad freight car with mass 32,000 kg is moving at 2 m/s when it runs into an at-rest freight car with mass of 28,000 kg. The cars lock together. What is their final velocity?
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what happens to light of a certain frequency when it is incident upon a material whose natural frequency is the same as the frequency of the light?
Was American involvement in World War I inevitable? What forces worked to maintain neutrality? What forces propelled the country away from neutrality and into full belligerency?
An object has a kinetic energy of 223 J and a momentum of magnitude 23.4 kg·m/s. Find the speed and the mass of the object.
The volume of the room is 60.0 m^3. When the temperature increases from 289 to 302-degrees K, what mass of air (in kg) escapes from the room?
After a 0.360-kg rubber ball is dropped from a height of 1.80 m, it bounces off a concrete floor and rebounds to a height of 1.40 m. Determine the magnitude and direction of the impulse delivered to the ball by the floor.
The script should be named final_YourLastname (e.g., a script written by York should be named: final_York). The script should implement car rental reservation activities. The main menu of the script must prompt us
An ideal gas is allowed to expand adiabatically until its volume increases by 50%. By approximately what factor is the pressure reduced? (k=5/3)
Give an algorithm to solve this problem in O(n) time, and explain why your algorithm runs in O(n) time. You may use the selection algorithms discussed in the book and the notes as subroutines of your solution. (Hint: you may want to call the selectio
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This statement by Edmund Burke, at least according to Bawn, Cohen, Karol, Masket, Noel, and Zaller, is the foil of nearly every scholar who cites it.
Problem: Identify a possible research question from the article "Can We Really Defund the Police?
We recommend the establishment of a National Counterterrorism Center (NCTC), built on the foundation of the existing Terrorist Threat Integration Center
Aaron is running for a city council position in his home town and is giving a speech to voters on why they should trust him more than his opponent.
Question: How are measures that exclude immigrants from access to rights and benefits of U.S. citizens viewed?
If you disagree with Cesaire's proposition and/or maintain that the United States does not perpetuate nor contribute to colonialist ideologies
Question: Which of the following bills was widely attacked by liberals and libertarians as an invasion of the right of privacy,