Q10 · 2024 · Technology-activeSimple familiar1 mark
QUESTION 10
The acceleration (m s) of an object at time, , for seconds is given by .
Given that the object is initially at rest, its velocity–time graph is
WORKED SOLUTION
1 markAnswer C
ANSWER
C
Worked solution
Since and , . It starts at 0, is positive and increasing, and is concave down; . This matches option C.
Selects option C.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.
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