A mass of 0.1 kg is rotated in a vertical circle using
a string of length 20 cm. When the string makes
an angle 30° with the vertical, the speed of the
mass is 1.5 ms-1. The tangential acceleration of
the mass at that instant is
1) 4.9 ms-2
2) 9.8 ms
3) 2.45 ms-2
4) 19.6 ms-2
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9
Answer:
an anglr 30°with the vertucal , the speed of the mass is 1.5 ms -1.the tangential acceleration of the mass at that instant i
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36
Answer:
4.9
Explanation:
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