What is the acceleration of a 600,000 kg freight train, if each of itsthree engines can provide 100,000 N of force?

.17 m/s^2

Explanation:

F=ma

100,000 N= 600,000 kg*a

100,000/600,000= .17 m/s^2

the answer is b, have negligible mass

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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