A 10g mass placed on the pan of a spring balance causes an extension of 5cm. If a 15g mass is placed on the pan of the same spring balance, the extension is

a

3.3cm

b

6.5cm

c

7.5cm

d

10.8cm

e

15.0cm

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Correct Option
c

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Discussions (2)

adeleke5140
9 years ago

m1/e1=m2/e2

10g/5cm=15g/xcm

15*5/10=75/10=7.5cm...

Abdullahi113
1 year ago

the question obeys Hooke's Law

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