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

enter image source here

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"

Related questions
Impact of this question
2031 views around the world
You can reuse this answer
Creative Commons License