The amount of extension in a elastic spring varies directly as the weight having on it. If a weight of 150 gm produces an extension of 2.9 cm, then in extension of 17.4 cm will be produced by a weight of
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Step-by-step explanation:
The amount of extension in an elastic spring varies directly as the weight hing on it. If a weight of 150 gm produces an extension of 2.9 cm, then the weight that would produce an extension of 17.4 cm is 900 gm.
REASON
x and y vary directly means if x increases then y decreases.
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