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Vector calculus — Question 107

Original QCE Vault practice · 1 mark

Q107 · Practice questionSimple familiar1 mark

QUESTION 107

A particle has r(t)=(4cos⁡2t,4sin⁡2t)\mathbf r(t)=(4\cos2t,4\sin2t). The magnitude of its acceleration is
(A)
44
(B)
88
(C)
1616
(D)
3232
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