1.

A spring balance has a scale that reads 0 to 20 kg. The length of the scale is 10 cm. A body suspended from this balance, when displaced and released, oscillates, with period of (pis)/10. What is the mass of the body

Answer» <html><body><p>4.9 kg<br/>9.8 kg<br/>19.6 kg<br/>14.7 kg</p>Answer :A</body></html>


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