AravindG
  • AravindG
hav some doubts on rotation,work energy etc
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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AravindG
  • AravindG
1:how do we calculate spring constant if we have more than one springs connected in different orders like :Series and parallel?
AravindG
  • AravindG
2:Is work done for both sretching and compressing a spring +ve?
King
  • King
2.if force is applied in the direction of displacement it is positive

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King
  • King
2.yes
AravindG
  • AravindG
for both cases?
King
  • King
for any case if force is appled in the direction of displacement it is positive
King
  • King
i mean work is positive
AravindG
  • AravindG
3:hw do we get acceleration=g*sin theta/(1+k^2+r^2) in the case of a body rolling down an inclined plane?
anonymous
  • anonymous
|dw:1328878163593:dw| ippo para ninde work +ve annu -ve anno?
AravindG
  • AravindG
but direction of force also reverses!!
King
  • King
|dw:1328878504824:dw|
anonymous
  • anonymous
fscos@ where f and s are MAGNITUDE RESPECTIVELY DOT PRODUCT OF VECTORS

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