karinapenn498 karinapenn498

23-11-2017
Physics

contestada

At how many rpm must the disk turn to raise the elevator at 35.0 cm/s

Respuesta :

02-12-2017

Let R be the radius of the disk, in centimeters. 35.0 cm/s = 35.0 * 60 cm/min = 2100 cm/min. One revolution of the disk is 2*pi*R, in cm. So the number of revolutions per minute is 2100 / (2*pi*R) = 1050/(pi*R), approximately 334/R.

Answer Link

Otras preguntas

Who was the main target of prosecution at the Nuremberg War Crimes Tribunal? (1 point) A.) Adolf Hitler B.) Herman Goring C.) Joseph Goebbels D.) Heinrich Himml

Which is an important difference between the freedom rides and unauthorized marches?

how do I write 20/10 as a mix number

What three ways ferns are useful to people?

Fine line trucks rents an 18-ft truck for $42 plus 35 cents per mile. Judy needs a truck for one day to deliver a shipment of plants. How far can she drive and

30% of what number is 27?

I need a short background of black &white, slavery, civil war, and rights of black civil rights. It should be one short paragraph. Thank you!

Which of the following is an insoluble base? A. Ca(OH)2 B. Sr(OH)2 C. Ba(OH)2 D. Cu(OH)2 E. CsOH

How does most of the heat In Earth's atmosphere move from place to place?

a rift valley can form where two continental plates are a.moving apart b.colliding