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4 votes
Find the angular displacement of 1.9 revolutions. Use π=3.14 . Round the answer to the nearest tenth.

5.7


11.9


13.7


12.5

User Keyu Lin
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1 Answer

6 votes
To answer the question above, convert the given displacement in revolutions to radians. The conversion factor is 1 revolution is equal to 6.28 radians.

(1.9 rev) x (6.28 radians / 1 rev) = 11.932 radians

Thus, the closest to this value is 11.9 and the answer is the second choice.
User Simon Seo
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7.4k points