Two particles A and B are moving, as shown in the figure. Their total angular momentum about the point O is

Question

Two particles A and B are moving, as shown in the figure. Their total angular momentum about the point O is, 9.8 kg ⋅ m 2 ⋅ s − 1, Zero, 52.7 kg ⋅ m 2 ⋅ s − 1, 37.9 kg ⋅ m 2 ⋅ s − 1

MARKS App · Accepted Answer

Total angular momentum about O is given as, L → = L → 1 + L → 2 = − m 1 v 1 r 1 + m 2 v 2 r 2 (anti clockwise) = - 6.5 × 2.2 × 1.5 + 3.1 × 3.6 × 2.8 (anti clockwise) = − 21.45 + 31.248 = 9.8 kg ⋅ m 2 ⋅ s − 1 (anti clockwise)

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