What fraction of initial kinetic energy of cars is lost
A 1900 kg car traveling to the right at 22 m/s is chasing a second car of the same mass that is traveling to the right at 10 m/s. What fraction of the initial kinetic energy of the cars is lost during this collision?
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Ricardo notices that the canoe moved 50.3 cm relative to a submerged log during the exchange and calculates Carmelita's mass, which she has not told him. What is it?
Allylchloride, Why it is easy to remove the Cl from allylchloride?
Identify and analyze the main events of the Korean War and Cuban Missile Crisis. Then assess how these events affected the relationship between the United States and the Soviet Union. Make sure you use enough details to support your answer.
What are the ethical challenges presented by pre-implantation genetic screening (PGS) and Savior Siblings? How would PGS be interpreted under the various philosophical theories we've discussed?
It has been suggested that rotating cylinders about 8 mi long and 6.1 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acc
A 230 g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.250 s. The total energy of the system is 1.00 J. Find the force constant of the spring.
In an acid-base neutralization reaction between 100.0 mL of 0.5 M nitric acid (HNO3) and 100.0 mL of 0.5 M potassium hydroxide (KOH), qrxn was found to be -5000 J. what is the enthalpy change per mole of base ?
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