Can some pls help with this vertical resistance question (1 Viewer)

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Maximus fires an arrow, of mass m, vertically upwards with initial speed of Vm/s. The arrow experiences a resistance equal to mkv^2, k>0, If the initial speed is equal to its terminal speed, show that the final speed when the arrow returns to its initial position is

(V sqrt(2))/2 m/s

 

[Trebla]

I have moved some of the threads to the Mathematics Extension 2 forum. For future reference, please post subject specific threads to their respective subject forums.

 

[ExtremelyBoredUser]

What is the magnitude of gravity? Is it assumed to be 10 or 9.8?

 

[=)(=]

doesn't say