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  • Which of the following option correctly describes the variation of the speed v and acceleration ‘a’ of a point mass falling vertically in a viscous medium  that a

Which of the following option correctly describes the variation of the speed v and acceleration ‘a’ of a point mass falling vertically in a viscous medium  that applies a force F =−kv, where ‘k’ is a constant, on the body ? (Graphs are schematic and not drawn to scale)

 

 

Option: 1


Option: 2


Option: 3


Option: 4


Answers (1)

best_answer

When the pt. mass will start falling its initial velocity will be O & have maximum acceleration. After the mass have steady state velocity a = 0 and the variation is exponential

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