Physics, 17.02.2020 06:27 armonilucky11
The average speed of a train is 24.0km/hr. Suppose a train moving at this speed accelerates -0.20 m/s^2 until it reaches a speed of 8.0 km/hr. How long does it take the train to undergo this change in speed?
Answers: 2
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Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.
Answers: 2
The average speed of a train is 24.0km/hr. Suppose a train moving at this speed accelerates -0.20 m/...
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