Use the formula v = rω to find the value of the missing variable. Give an exact answer unless otherwise indicated.
-$\mathrm { r } = 2 \mathrm {~cm} , \omega = \frac { \pi } { 3 }$ radian per $\mathrm { sec }$
A) $6 \pi \mathrm { cm }$ per sec
B) $\frac { 2 \pi } { 3 } \mathrm {~cm}$ per sec
C) $\frac { 3 \pi } { 2 } \mathrm {~cm}$ per sec
D) $\frac { \pi } { 6 } \mathrm {~cm}$ per $\mathrm { sec }$

Question

Quizplus · Accepted Answer

The formula for linear velocity is $v = r\omega$. Substituting $r = 2$ cm and $\omega = \frac{\pi}{3}$ rad/sec gives $v = 2 \cdot \frac{\pi}{3} = \frac{2\pi}{3}$ cm/sec.

Use the Formula V = Rω to Find the Value r=2 cm,ω=π3\mathrm { r } = 2 \mathrm {~cm} , \omega = \frac { \pi } { 3 }r=2 cm,ω=3π​

Use the Formula V = Rω to Find the Value $\mathrm { r } = 2 \mathrm {~cm} , \omega = \frac { \pi } { 3 }$