A train slows down as it rounds a sharp horizontal turn, going from 96.0 km/h to 40.0 km/h in the 13.0s that it takes to round the bend. The radius of the curve is 130 m. Compute the acceleration at the moment the train speed reaches 40.0 km/h. Assume the train continues to slow down at this time at the same rate. m/s² magnitude direction backward (behind the radial line pointing inward)

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Projectile Motion