SOLUTION: a pendulum consists of a mass hanging at the end of a string which is 18m long. find the vertical height through which the mass rises and and falls as the pendulum swings through

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Question 1132293: a pendulum consists of a mass hanging at the end of a string which is 18m long. find the vertical height through which the mass rises and and falls as the pendulum swings through 30degree on each side of the vertical
Answer by ikleyn(52925)   (Show Source): You can put this solution on YOUR website!
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The height change = the elevation change relatively "the sea level" = 


     = H = R - R*cos(30°) = R*(1-cos(30°)) =  = 2.411 m.          ANSWER


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