Vector calculus — Question 43
Original QCE Vault practice · 1 mark
Q43 · Practice questionSimple familiar1 mark
QUESTION 43
For r(t)=(t2,et,sint), the acceleration at t=0 is WORKED SOLUTION
Answer B
1 markWorked solution
Differentiate twice: a(t)=(2,et,−sint). Therefore a(0)=(2,1,0). Selects the correct option.
[1 mark]Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
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