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Calculating the Acceleration of a Train
Until a train is a safe distance from the station, it must travel at 5 mis. Once the train is on open track, itcan speed up
to 45 m/s. If it takes a train 8 seconds to reach 45 mis, what is the acceleration of the train?
m/s2
L

0.863333

86%

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the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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