It takes a ball about 0.45 seconds to drop 1 meter so for a ball to drop about 51 meters would take 22.95 seconds. Multiply 51 by 0.45. Hope this helps
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Answer:
Length of arc = 21.99 inch (Approx.)
Explanation:
Given:
Radius of given circle = 6 inch
Central angle = 210°
Find:
Length of arc
Computation:
Length of arc = [θ/360][2πr]
Length of arc = [210/360][2(22/7)(6)]
Length of arc = [0.583][12(3.1428)]
Length of arc = [0.583][12(3.1428)]
Length of arc = [0.583][37.7136]
Length of arc = 21.987
Length of arc = 21.99 inch (Approx.)
