1 Suppose that at the end of its trip, the train slows to a stop from a speed of 47 3 km h in 9 85 s What is its average acceleration in m s 2 while stopping Input your answerin m s 2 using 3 significant figures 2 Calculate the momentum of a 7 89 kg object moving at 7 55 m s Input your answer in kgm s using 3 significant figures

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1. Suppose that at the end of its trip, the train slows to a stop from a speed of 47.3 km/h in 9.85 s. What

1. Suppose that at the end of its trip, the train slows to a stop from a speed of 47.3 km/h in 9.85 s. What is its average acceleration in m/s² while stopping?

Input your answerin m/s² using 3 significant figures.

2. Calculate the momentum of a 7.89-kg object moving at 7.55 m/s.

Input your answer in kgm/s using 3 significant figures.

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