Question
The position of a particle is given by ⃗r=(ˆi+2ˆj−ˆk) and momentum ⃗P=(3ˆi+4ˆj−2ˆk). The direction of angular momentum is perpendicular to
Answer: Option A
:
A
⃗L=⃗r×⃗p=∣∣
∣
∣∣ˆiˆjˆk12−134−2∣∣
∣
∣∣=0ˆi−ˆj−2ˆk=−ˆj−2ˆk and the X-axis is given by i+0ˆj+0ˆk
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:
A
⃗L=⃗r×⃗p=∣∣
∣
∣∣ˆiˆjˆk12−134−2∣∣
∣
∣∣=0ˆi−ˆj−2ˆk=−ˆj−2ˆk and the X-axis is given by i+0ˆj+0ˆk
Was this answer helpful ?
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