If the acceleration of an object of mass $$\(m\)$$ starting from rest is given as a function of time by $$\(a(t)=A \sqrt{t}\)$$, then the kinetic energy of this object is proportional to
A.
\(\frac{m A^{2}}{t}\)
B.
\(m A^{2} t\)
C.
\(m A^{2} t^{3}\)
D.
\(m A^{2} t^{-3}\)
E.
\(m A^{2} t^{3 / 2}\)
Exam No：AP Physics C Practice Test Year：2024 Question No：30
Answer:
C
Knowledge points:
3.3 Conservation of Energy
Solution:
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