An automobile with 0.280 m radius tires travels 65,000 km before wearing them out. How many revolutions do the?
2012-11-12 12:15 am
An automobile with 0.280 m radius tires travels 65,000 km before wearing them out. How many revolutions do the tires make, neglecting any backing up and any change in radius due to wear?
回答 (1)
2012-11-12 1:01 am
✔ 最佳答案
65,000 / [ 2π (0.28 ) ] evolutions
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