s = rθ
you have r and θ, so plug them in (θ in radians). That will give you the actual arc length traveled.
If you want the horizontal distance, assuming symmetry, then you will need
x/2 = r sin(θ/2)
A pendulum of length 55 cm swings through an angle of 16 degrees. What distance does the tip of the pendulum swing?
1 answer