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Physics
Physics
Problem
Consider a ring where linear mass density
λ
\lambda
λ
varies with
θ
\theta
θ
as
λ
=
λ
0
∣
cos
θ
∣
\lambda = \lambda_0 |\cos \theta|
λ
=
λ
0
∣
cos
θ
∣
(
λ
0
>
0
\lambda_0 > 0
λ
0
>
0
). The gravitational field at point
O
O
O
will be:
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