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Class 11 NEET Physics Oscillations Questions
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© examsnet.com
Question : 2
Total: 71
The two-dimensional motion of a particle, described by
→
r
=
(
^
i
+
2
^
j
)
A
cos
ω
t
is a/an:
A. parabolic path
B. elliptical path
C. periodic motion
D. simple harmonic motion
Choose the correct answer from the options given below:
[NEET 2024 Re]
B, C and D only
A, B and C only
A, C and D only
C and D only
Validate
Solution:
→
r
=
(
^
i
+
2
^
j
)
A
cos
ω
t
x
=
A
cos
ω
t
y
=
2
A
cos
ω
t
y
=
2
x
The path is straight line.
The motion is SHM and periodic as
d
r
d
t
=
−
(
^
i
+
2
^
j
)
ω
A
s
i
n
ω
t
d
2
r
d
t
2
=
−
(
^
i
+
2
^
j
)
ω
2
A
cos
ω
t
→
a
=
−
ω
2
→
r
© examsnet.com
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