Physics, 28.01.2020 00:31 Donlito6997
Light-rail passenger trains that provide transportation within and between cities are capable of modest accelerations. the magnitude of the maximum acceleration is typically 1.3 m/s2 , but the driver will usually maintain a constant acceleration that is less than the maximum. a train travels through a congested part of town at 4.0m/s . once free of this area, it speeds up to 13m/s in 8.0 s . at the edge of town, the driver again accelerates, with the same acceleration, for another 16 s to reach a higher cruising speed.
what is the final speed?
express your answer to two significant figures and include the appropriate units.
Answers: 3
Physics, 22.06.2019 11:30
Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.
Answers: 2
Light-rail passenger trains that provide transportation within and between cities are capable of mod...
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