The resistive force Fthat acts on an object moving through a fluid at speed vis given by F=kv where kis a constant.What is the unit of k? A. Ns^-1 B Nms^-1 c kgm^2s^-3 D. kgs^-1

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Answer 1

The resistive force

is given by

. Here,

has units of Newtons (N) and

has units of meters per second (m/s). To find the unit of

, we rearrange the equation to

. Thus, the unit of

is Newtons per meter per second (Ns/m).

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