What rate must the passenger train then decelerate

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The engineer of a passenger train moving at 29.0m/s sees a freight train 360.0 m ahead on the track moving at 6.00 m/s. The engineer takes 0.400 seconds to react, and then applies the brakes. At what rate must the passenger train then decelerate in order to avoid a collision?

Reference no: EM13282261

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