- #1
djames1009
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A particle of mass 2kg is subject to a drag force from the air: F(v)= -0.5v^2. The initial displacement of the mass is zero and the initial speed is 1ms. Find an expression for x(t) and hence work out x(4)
Ive got this question in one of my textbooks and can't seem to get it to work, could anybody help me with the answer at all?
I have tried a few things, and i know i have to integrate, but i am getting a bit confused :s. If somebody could show me how its done, then i can look back at it and understand all the steps, as there is other questions like this i plan to eventually answer.
Thanks Alot :D
Ive got this question in one of my textbooks and can't seem to get it to work, could anybody help me with the answer at all?
I have tried a few things, and i know i have to integrate, but i am getting a bit confused :s. If somebody could show me how its done, then i can look back at it and understand all the steps, as there is other questions like this i plan to eventually answer.
Thanks Alot :D