Physics, 06.07.2019 02:30 lizisapenguin
Scientists suspect that modern horses have different dietary habits than horses that lived long ago. what is the most reliable source that scientists can use to prove that horses have changed over time? a. interviews with veterinarians b. fossil evidence c. cave drawings d. fables
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Physics, 21.06.2019 23:30
Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work
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Physics, 22.06.2019 14:30
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
Physics, 22.06.2019 15:30
What is the increase in density of a medium due to wave travel?
Answers: 2
Scientists suspect that modern horses have different dietary habits than horses that lived long ago....
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