Přepis videa
A snail travels with velocity v = 2 + 0.***** ft/s where t is given in seconds.
To the nearest foot, how far does a snail travel from time t = pi/2s to time = 2s?
2 pi/s = 2t - 0.5 cos ft/s.
And then I have to... what? I don't get it. I have to... okay.
I think I need to subtract that expression evaluated at pi/2 from 2 pi,
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