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What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force
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Physics, 22.06.2019 10:00
What is the temperature in degrees celsius of a substance with a tempature of 49k
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You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
Answers: 2
Where does body heat come from?
friction
jumping up and down
the energy in food
w...
jumping up and down
the energy in food
w...
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