Cathedral4694 Cathedral4694
  • 22-10-2017
  • Physics
contestada

A motor spins up the flywheel with a constant torque of 50 n⋅m. how long does it take the flywheel to reach top speed?

Respuesta :

shinmin
shinmin shinmin
  • 02-11-2017

A motor spins upward the flywheel with a persistent torque of 50N⋅m.

What time does it take the flywheel to get to the top speed?
From the equation: 
Tj = J*dω/dt 


you can get the two equations: 
Δt1= J1*Δω/Tj = 240*125.66/50 = 603.17 sec 
Δt2= J2*Δω/Tj = 120*125.66/50 = 301.58 sec 

Answer Link

Otras preguntas

in division, a problem includes a divisor, a dividend and....
why did Lincoln need a military victory before he could announce it mean if a patient of slaves in southern states
what is 8.02 estimated to?
Which statement is true about nonfiction? A. Nonfiction deals with imaginary people and made-up events. B. Short stories are examples of nonfiction. C. Nonfic
The National Reclamation Act directly affected the management of which natural resource? A. oil B. coal C. water D. lumber
Which layer of Earth is characterized by its solid yet plastic-like consistency? A. inner core B. outer core C. mantle D. crust
A population is made up of different communities in an area
The Renaissance in western Europe is best described as a period marked by
why do we use y intercept and the slope to graph a line
Thermal energy depends on an object’s A. mass. B. phase (sold, liquid, or gas). C. temperature. D. all of the above