Thursday

September 18, 2014

September 18, 2014

Posted by **dallas** on Tuesday, April 2, 2013 at 6:18pm.

from rest.

Answer in units of rev/s

- Physics -
**Elena**, Wednesday, April 3, 2013 at 3:54pmM=Iε

ε=M/I = 22.9/0.168 = 136.3 rad/s²

2πN=2πn₀t + εt²/2

2πn=2πn₀ + εt

n₀=0 =>

2πN= εt²/2

2πn= εt => t=2πn/ε

N= πn²/ε

n=sqrt {εN/π}=

=sqrt{136.3•17.1/3.14}=27.24 rev/s

**Answer this Question**

**Related Questions**

Physics - A constant torque of 27.2 N · m is applied to a grindstone for which ...

Physics - Rotational Mechanics - The combination of an applied force and a ...

Physics - A 2m radius uniform 50kg disk has an object of unknown moment of ...

Physics please check - A uniform solid disk with a mass of 32.3 kg and a radius ...

Physics - A wheel of moment of inertia 0.136 kg · m2 is spinning with an angular...

physics - A spinning flywheel has rotational inertia I = 402.9 kgm2. Its angular...

physics - (a) Calculate the angular momentum of an ice skater spinning at 6.00 ...

Physics - . (a) Calculate the angular momentum of an ice skater spinning at 6.00...

Please check solution - A uniform solid disk with a mass of 40.3 kg and a radius...

Physics - I need help with this problem. A ceiling fan is turned on and a net ...