A potter's wheel moves from rest to an angular speed of 0.20 rev/s in 30 s

# A potter's wheel moves from rest to an angular speed of 0.20 rev/s in 30 s

393k points

A potter's wheel moves from rest to an angular speed of 0.20 rev/s in 30 s.  Find its angular acceleration in radians per second per second.

A potter
bhdrkn

389.5k points

the angular acceleration is,

$$\alpha=\frac{\Delta \omega}{\Delta t}=\frac{\frac{0.20 \, rev}{1s} \times \frac{2\pi \, rad}{1 \, rev}}{30 \, s}=0.04 \, rad/s^2$$

Z
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