Question

The extension in an elastic string
varies directly as the weight hung on
it. If a weight of 150 g, produces an
extension of 2.8 cm, what weight Would
produce an extension of 19.6cm​

Answer 1

Answer:

Weight that would produce an extension of 2.8 cm = 150 g

Weight that would produce an extension of 1 cm = g

Weight that would produce an extension of 19.6 cm = 19.6 = 1050 g = 1 kg 50 g [1 kg = 1000 g]

∴ A weight of 1 kg 50 g would produce an extension of 19.6 cm.

Step-by-step explanation:

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