三道英文版的物理題,求翻譯并解答!謝謝
三道英文版的物理題,求翻譯并解答!謝謝
1. A nurse counts 76 heartbeats in one minute. What are the period and frequency of the heart's oscillations?
2. New York's 300-m high Citicorp Tower oscillates in the wind with a period of 6.80s. Calculate its frequency of vibration.
3. Calculate the speed of waves in a puddle that are 0.15m apart and made by tapping the water surface twice each second.
1. A nurse counts 76 heartbeats in one minute. What are the period and frequency of the heart's oscillations?
2. New York's 300-m high Citicorp Tower oscillates in the wind with a period of 6.80s. Calculate its frequency of vibration.
3. Calculate the speed of waves in a puddle that are 0.15m apart and made by tapping the water surface twice each second.
英語人氣：230 ℃時(shí)間：2020-02-03 14:25:28
優(yōu)質(zhì)解答
1.A nurse counts 76 heartbeats in one minute.What are the period and frequency of the heart's oscillations?一位護(hù)士測(cè)得心跳為一分鐘76次.這個(gè)人的心率和周期各是多少?答案：周期為1分鐘；心率為76次Period:1...
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