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JEE Main Physics Class 11 Oscillations Part 2 Questions
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© examsnet.com
Question : 12
Total: 76
A particle performs simple harmonic motion with amplitude A. Its speed is increased to three times at an instant when its displacement is
2
A
3
. The new amplitude of motion is
n
A
3
. The value of
n
is___
[31-Jan-2024 Shift 1]
Your Answer:
Validate
Solution:
👈: Video Solution
v
=
ω
√
A
2
−
x
2
at
x
=
2
A
3
v
=
ω
√
A
2
−
(
2
A
3
)
2
=
√
5
A
ω
3
New amplitude
=
A
′
v
′
=
3
v
=
√
5
A
ω
=
ω
√
(
A
′
)
2
−
(
2
A
3
)
2
A
′
=
7
A
3
© examsnet.com
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