dt d d Calculate 34[ri(t) • r2(t)] and dt' [rı] ) · r2(t)] and at ri(t) x rz(t)) first by differentiating the product di

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Dt D D Calculate 34 Ri T R2 T And Dt Ri R2 T And At Ri T X Rz T First By Differentiating The Product Di 1 (42.92 KiB) Viewed 31 times

dt d d Calculate 34[ri(t) • r2(t)] and dt' [rı] ) · r2(t)] and at ri(t) x rz(t)) first by differentiating the product directly and then by applying the formulas dr2 dri di[rı(t) · r2(t)] = rı(t). dt dt dt dr2 [rı(t) x r2(t)] = ri(t) * x r2(t). dt dt dt d = + . · r2(t) and d dri = + ri(t) = cos(t)i + sin(t)j + 4tk, r2(t) = 3i + tk = = [rı(t)• rz(t)] - = 1 = dt [ri(t) x r2(t)] dt 6) =