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1. A bullet leaves a 24 inch rifle barrel at 900 ft/s. What was its acceleration...

1. A bullet leaves a 24 inch rifle barrel at 900 ft/s. What was its acceleration and time in the barrel?

2. A train has an initial velocity of 54 mph. 4 minutes later it slows to a stop at an intersection. What is the acceleration? How far did it travel before coming to a stop?

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Answer #1

Use the following conversions

1kilometer=1000 meters

12inch=1foot

1hour=60 mins

1min=60 seconds

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