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A 30-Kg Particle Has a Position Vector Given By By \overrightarrow{\mathbf{r}}=\left(2.0

Question 41

Multiple Choice

A 3.0-kg particle has a position vector given by $\overrightarrow{\mathbf{r}}=\left(2.0 t^{2} \hat{\mathbf{i}}+3.0 \hat{\mathbf{j}}\right)$ where $\overrightarrow{\mathbf{r}}$ is in metres and t is in seconds. What is the angular momentum of the particle, in kg.m²/s, about the origin at t = 2 s?

A) 72 $A 3.0-kg particle has a position vector given by \overrightarrow{\mathbf{r}}=\left(2.0 t^{2} \hat{\mathbf{i}}+3.0 \hat{\mathbf{j}}\right) where \overrightarrow{\mathbf{r}} is in metres and t is in seconds. What is the angular momentum of the particle, in kg.m2/s, about the origin at t = 2 s? A) 72 B) (-72 ) C) 24 D) (-24 ) E) 22$
B) (-72 $A 3.0-kg particle has a position vector given by \overrightarrow{\mathbf{r}}=\left(2.0 t^{2} \hat{\mathbf{i}}+3.0 \hat{\mathbf{j}}\right) where \overrightarrow{\mathbf{r}} is in metres and t is in seconds. What is the angular momentum of the particle, in kg.m2/s, about the origin at t = 2 s? A) 72 B) (-72 ) C) 24 D) (-24 ) E) 22$ )
C) 24 $A 3.0-kg particle has a position vector given by \overrightarrow{\mathbf{r}}=\left(2.0 t^{2} \hat{\mathbf{i}}+3.0 \hat{\mathbf{j}}\right) where \overrightarrow{\mathbf{r}} is in metres and t is in seconds. What is the angular momentum of the particle, in kg.m2/s, about the origin at t = 2 s? A) 72 B) (-72 ) C) 24 D) (-24 ) E) 22$
D) (-24 $A 3.0-kg particle has a position vector given by \overrightarrow{\mathbf{r}}=\left(2.0 t^{2} \hat{\mathbf{i}}+3.0 \hat{\mathbf{j}}\right) where \overrightarrow{\mathbf{r}} is in metres and t is in seconds. What is the angular momentum of the particle, in kg.m2/s, about the origin at t = 2 s? A) 72 B) (-72 ) C) 24 D) (-24 ) E) 22$ )
E) 22 $A 3.0-kg particle has a position vector given by \overrightarrow{\mathbf{r}}=\left(2.0 t^{2} \hat{\mathbf{i}}+3.0 \hat{\mathbf{j}}\right) where \overrightarrow{\mathbf{r}} is in metres and t is in seconds. What is the angular momentum of the particle, in kg.m2/s, about the origin at t = 2 s? A) 72 B) (-72 ) C) 24 D) (-24 ) E) 22$

A 30-Kg Particle Has a Position Vector Given By By \overrightarrow{\mathbf{r}}=\left(2.0

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