solve it i think u will get answer....
A ball swings in a vertical circle at the end of a rope 1.5 m long. when the ball is 36.9° past the lowest point on its way up, its total acceleration is =( -22.5 i + 20.2 j).at that instant find the magnitude of radial acceleration of the ball.
ans = 29.7 m/s2
plz explain along with the answer
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