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6 Nov 2019
Use N(t) = [v(t)r"(t) - v'(t)r'(t)] / [||v(t)r"(t) - v'(t)r'(t)||] to find the unit normal vector N9t) of r(t)=<t-sin t, 1-cos t> at t=/2. v(t)=||r'(t)||.
Use N(t) = [v(t)r"(t) - v'(t)r'(t)] / [||v(t)r"(t) - v'(t)r'(t)||] to find the unit normal vector N9t) of r(t)=<t-sin t, 1-cos t> at t=/2. v(t)=||r'(t)||.
Hubert KochLv2
14 Jul 2019