JEE PHYSICS MCQ: SYSTEM OF PARTICLES

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Application +4 | -1

The unit mass has

{r}=8 \hat{{i}}-4 \hat{{j}}

and

{v}=8 \hat{{i}}+4 \hat{{j}}

. Its angular momentum is

View answer and explanation

Correct option: B

64 units in

+\hat{{k}}

direction

Option B (64 units in

+\hat{{k}}

direction) is correct because the angular momentum is calculated as the cross product of the position vector and the velocity vector,

L = r \times v

More Questions from SYSTEM OF PARTICLES

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\mathrm{AB}

\mathrm{L}

\mu(x)=a+\frac{b x}{L}

x

\mathrm{A}

\mathrm{CM}

\left(\frac{7}{12}\right) \mathrm{L}

\mathrm{A}

\mathrm{b}

1.0 \mathrm{~g}

8 \mathrm{~cm}

\omega = {t^4} + 2{t^3}

t = 1\,sec

\left( {rad\,{s^{ - 2}}} \right)