Saturday

January 31, 2015

January 31, 2015

Posted by **Matthew** on Tuesday, December 6, 2011 at 7:16pm.

How long does it take for the grinding wheel to stop?

Answer in units of s

Through how many radians has the wheel turned during the deceleration?

Answer in units of rad

- Physics -
**bobpursley**, Tuesday, December 6, 2011 at 7:19pmchange rev/min to rev/second

then, wf=wi+at where a=-1.24r/s^2

solve for t.

Dfinal(in radians)=wi*t+1/2 a t^2

**Answer this Question**

**Related Questions**

physics - An electric motor rotating a workshop grinding wheel at a rate of 9.80...

Physics - An electric motor rotating a workshop grinding wheel at a rate of 95 ...

Physic - An electric motor rotating a workshop grinding wheel at a rate of 114 ...

physics - 3- An electric motor can accelerate a Ferris wheel of moment of ...

physics - The flywheel of a steam engine runs with a constant angular speed of ...

physics - a wheel is rotating at 30 rev/min. The angular velocity of the wheel ...

Dynamics - A flywheel has an angular speed of 1200 rev/min when its motor is ...

physics - drwls? - The flywheel of a steam engine runs with a constant angular ...

Physics - At t = 0, a wheel rotating about a fixed axis at a constant angular ...

Physics - How does torque equal to <frictional force times radius [of solid ...