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120 pts Suppose an object has position function r(t) = (Rc8( ))i + (Rsin(e) lj for some constant R. (a) Determine the velocit

DESPERATELY NEED HELP ON PART B PLEASE. Need all steps explained. Thank you so much

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راه ۶ (4)ه ) ON - given (1) = R[Cos(thi+ sin(tyg . to find tangential acon aft) and Mormal acch auft) formulae: otgliet) ac

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