Q7 · 2022 · Technology-activeSimple familiar1 mark
QUESTION 7
A marble moves in one direction in a straight line with velocity (in metres per second) where is time (in seconds) since the marble passed through the origin. Determine the distance from the origin the marble has rolled after 4 seconds.
(A)
0.40 m
(B)
1.60 m
(C)
3.22 m
(D)
8.09 m
WORKED SOLUTION
1 markAnswer D
ANSWER
D — 8.09 m
Worked solution
The displacement is m; D.
Selects option D.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.
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