What is the speed of the ball at point B? (Physics)

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1 Answer
Ultrilliam
May 22, 2018

See below

Explanation:

(T+U)_A = (T+U)_B = 25

U _B = 0 implies T_B = 25 = 1/2 m v^2

m = 2

"speed " = abs v = sqrt((2*25)/2) = 5" m/s"

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