Answeee this wxperts

Solution:
Viscous force,
Fviscous=6πηrv=6πηd2v          =6×3.14×18×10-6×0.4×10-32×3         =203.472×10-9 N         20.3×10-8 N
Hence, the correct answer is option (A)
 

  • 0
What are you looking for?