Thursday

October 30, 2014

October 30, 2014

Posted by **Rajan** on Monday, July 30, 2012 at 1:55pm.

- Dynamics -
**Elena**, Monday, July 30, 2012 at 4:43pm2π•f(fin)= 2π•f(init)-εt

f(fin)=0, f(init) = 1200 rev/min =20 rev/s.

2π•f(init)=εt

t=2π•f(init)/ ε= 2π•20/1.5=83.8 s.

2π•N= 2π•f(init) •t - εt²/2.

N= f(init) •t - εt²/4π=

=20•83.8 – 1.5•(83.8)²/4•π =

= 838 rev.

**Answer this Question**

**Related Questions**

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

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

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

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

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

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

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

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

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

Physics - A flywheel with a diameter of 2.45 m is rotating at an angular speed ...