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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
>>
2010
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Q)
For a particle in uniform circular motion the acceleration
→
a
at a point
P
(
R
,
θ
)
on the circle of radius R is (here
θ
is measured from the x-axis)
( A )
−
v
2
R
cos
θ
ˆ
i
−
v
2
R
sin
θ
ˆ
j
( B )
−
v
2
R
sin
θ
ˆ
i
+
v
2
R
cos
θ
ˆ
j
( C )
v
2
R
ˆ
i
+
v
2
R
ˆ
j
( D )
−
v
2
R
cos
θ
ˆ
i
+
v
2
R
sin
θ
ˆ
j
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