1. express the weight of a `Quarter Pounder` in grams, given2.205 pounds (lb) is equal to 1 kilogram (kg)
2.how can you determine the period of the swing in the playground ?
physics question ,please help
2010-03-03 4:59 am
回答 (1)
2010-03-03 5:57 am
✔ 最佳答案
1. Assume a "quarter pounder" weights 1/4 of a pound. Hence, (1/4)/2.205 kg = 0.1134 kg = 113.4 g2. Don't know what tools you have in hand. The most simple way is to time the period with a wrist watch.
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