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Grade: upto college level

                        

An astronaut is rotated in a centrifuge of radius 5.2 m. (a) What is the speed if the acceleration is 6.8g? (b) How many revolutions per minute are required to produce this acceleration?

5 years ago

Answers : (2)

Deepak Patra
askIITians Faculty
471 Points
							233-1168_1.PNG
Round off to two significant figures,
v = 19 m/s
Therefore, the speed with which the centrifuge gets rotated is 19 m/s .
233-2374_1.PNG
Round off to two significant figures,
233-246_1.PNG
Therefore, the number of revolution made by the centrifuge is 34 rev/ min .
5 years ago
maheen fakih
15 Points
							
a baseball player with mass 79kg sliding into a base is slowed by a force of fricion of 470N what is the cofficient of kinetic frition between the player and the ground ?
4 years ago
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Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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