4500 kg train moves around a 90 m circular track at 85 mph. a) Starting with the following railroad track, show each step of conversion from mph to meters per second, being sure to use hours, minutes, seconds, miles, feet, inches, centimeters, meters in your conversions. 85 miles _______________________________________________________________ 1 hour b) Solve for centripetal acceleration, showing all steps from equations in the text or class notes.

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A 4500 kg train moves around a 90 m circular track at 85 mph.

 

a) Starting with the following railroad track, show each step of conversion from mph to meters per second, being sure to use hours, minutes, seconds, miles, feet, inches, centimeters, meters in your conversions. 

 

85 miles

_______________________________________________________________

 

1  hour 

 

 

b) Solve for centripetal acceleration, showing all steps from equations in the text or class notes. 

 

 

 

 

 

 

 

c) Solve for the centripetal force, showing all steps from equations in the text or class notes. Express your answer in scientific notation. 

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