Question

A 4 kg ball is swung in a vertical circle at The end of a string 1 m long .what is The maximum speed at which it can swing if the string can sustain maximum tension of 183.2 N

Answer 1

Answer:

Explanation:

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Answer 2

The maximum speed at which the ball can swing is 6 m/s .

• Maximum tension in vertical circular motion is in lowest position.
• Maximum tension, T =  centripetal force + weight of body

                       T = [(m * v^2) / r] + (m * g)

• According to the question,

      183.2 = [(4 * v^2) / 1] + (4 * 9.8)

      144 = (4 * v^2)

      36 = v^2

       v = 6 m/s