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AIEEE 2005 Physics Solved Paper
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© examsnet.com
Question : 9
Total: 74
A particle of mass
0.3
kg
subjected to a force
F
=
−
k
x
with
k
=
15
N
∕
m
. What will be its initial acceleration if it is released from a point
20
cm
away from the origin?
15
m
/
s
2
3
m
/
s
2
10
m
/
s
2
5
m
/
s
2
Validate
Solution:
Given
F
=
−
kx
⇒
F
=
−
15
×
20
100
=
−
3
N
F
=
m
⋅
a
=
3
N
⇒
a
=
3
m
=
3
0.3
=
10
m
/
s
2
© examsnet.com
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