Physics

Problem

5. If a particle moves in such a way that its position x is described as a function of time t by

\mathrm{x}=\mathrm{t}^{3 / 2}

, then its kinetic energy is proportional to (A)

\mathrm{t}^{2}

(B)

t^{3 / 2}

\mathrm{t}^{1 / 2}

(E)

t^{\circ}

(i.e., kinetic energy is constant) (A)

\mathrm{t}^{2}

(B)

t^{3 / 2}

\mathrm{t}^{1 / 2}

(E)

t^{\circ}

(i.e., kinetic energy is constant)