4. A particle of mass m, falls from rest in a medium in which the resistance is of magnitude mgrv where v is the speed and is a positive constant. Show that when the speed of the particle is- SVA 25 -In 24 it has fallen a distance of- Calculate the time used to attain the speed of 2g 5VA
4. A particle of mass m, falls from rest in a medium in which the resistance is of magnitude mgrv where v is the speed and is a positive constant. Show that when the speed of the particle is- SVA 25 -In 24 it has fallen a distance of- Calculate the time used to attain the speed of 2g 5VA
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Transcribed Image Text:4. A particle of mass m, falls from rest in a medium in which the resistance is of magnitude mgrv
where v is the speed and is a positive constant. Show that when the speed of the particle is-
it has fallen a distance of-
-In
Calculate the time used to attain the speed of
2g
24
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