What speed would the train be going

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Reference no: EM13343069

The barricade at the end of a subway line has a large spring designed to compress 2.00 m when stopping a 1.60 ? 105 kg train moving at 0.300 m/s.

(a) What is the force constant of the spring?

(b) What speed would the train be going if it only compressed the spring 0.900 m?

Reference no: EM13343069

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