d dt dt' Calculate di ri(t) • r2(t)) and at ri(t) x r2(t)] first by differentiating the product directly and then by app

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D Dt Dt Calculate Di Ri T R2 T And At Ri T X R2 T First By Differentiating The Product Directly And Then By App 1 (49.81 KiB) Viewed 22 times

d dt dt' Calculate di ri(t) • r2(t)) and at ri(t) x r2(t)] first by differentiating the product directly and then by applying the formulas dr2 )] ( [rı(t): r2(t)] = ri(t). dri · r2(t) and d dt + dt dt d [r1(t) x r2(t)] = ri(t) dt = dr2 dri + dt dt x r2(t). ri(t) = cos(t)i + sin(t)j + 3tk, = r2(t) = 2i + tk = d a = [rı(t) • r2(t)] ri] = dt d [rı(t) x r2(t)] dt ) () = =