Advanced Science Primary 6 Interactions

Spring length is 15cm. 100g weight makes it 18cm. Total length with 300g weight?

A 30 cm
B 27 cm
C 21 cm
D 24 cm
Show Worked Solution

Worked Solution

Ext for 100g = 3cm. Ext for 300g = 9cm. 15 + 9 = 24cm.

Correct answer: 24 cm

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