mellamosassy mellamosassy

24-03-2016
Physics

Answered

Mary walks a certain distance up a road that climbs a hill. The vertical component of her displacement is 17.63 meters, and the horizontal component of her displacement is 100 meters. What is the road's approximate angle of inclination?

Verified Answer :

24-03-2016

The tangent of that angle is 17.63/100 = 0.1763 .

My calculator says that the angle with that tangent is 9.9985° .

10° is awfully close, and it's a much easier answer.
(It's less than 0.015% wrong.)

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