dt d d Calculate wrı (t)• rz(t)] and I [rı(t) x r2(t)] first by differentiating dt the product directly and then by appl

[answerhappygod]

Dt D D Calculate Wri T Rz T And I Ri T X R2 T First By Differentiating Dt The Product Directly And Then By Appl 1 (49.68 KiB) Viewed 16 times

dt d d Calculate wrı (t)• rz(t)] and I [rı(t) x r2(t)] first by differentiating dt the product directly and then by applying the formulas dr2 [rı(t) • r2(t)] = rı(t). tri r2(t) and dt dr2 dri [ri(t) x r2(t)] = ri(t) x r2(t). dt dt dt d dri = + . dt dt d + ri(t) = cos(t)i + sin(t)j + 5tk, r2(t) = 4i + tk d dt [rı(t) • r2(t)) = ri· ] = Strid d [rı(t) x r2(t)] dt =