2024 · M/J · 5054/11 | Q7

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Take the gravitational field strength as 9.8 N/kg (acceleration of free fall 9.8 m/s²), unless a question states otherwise.

An unstretched spring of length 15.0 cm stretches by 4.0 cm when a mass of weight 6.0 N is suspended from it. The spring does not exceed the limit of proportionality.

What is the total length of the spring when the weight of the suspended mass is 3.0 N?

A: 2.0 cm
B: 7.5 cm
C: 9.5 cm
D: 17.0 cm

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5054/11/M/J/24Cambridge O Level Physics 5054 · May/June 2024 · Paper 1 variant 1 · Question 7