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Which of the following state...
Biology, 22.04.2020 03:40 lealaslee858
NEED HELP ASAP WILL GIVE BRAINLIEST, FIVE STARS, AND THANKS
Which of the following statements is true?
1. The ratio of work output to work input is always greater than one.
2. Windmills change the rotary motion of wind into a straight motion.
3. Efficiency is calculated by dividing work output by work input.
4. All the above.
Answers: 3
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