AIEEE Exam

A uniform rod of mass m and length l rotates in a
horizontal plane with an angular velocity ω about
a vertical axis passing through one end. The
tension in the rod at a distance x from the axis is

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AIEEE Other Question

A particle with a specific charge s is fired with a
speed v towards a wall at a distance d,
perpendicular to the wall. What minimum
magnetic field must exist in this region for the
particle not to hit the wall ?
(A) v/sd (B) 2v/sd
(C) v/2sd (D) v/4sd If the particles begin and end at rest, and all are
positively charged, the same amount of work was
done on which particles ?
(A) W and Y (B) W, Y and Z
(C) Y and Z (D) W, X, Y and Z