Which of the following expressions gives the average velocity of a body whose…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Which of the following expressions gives the average velocity

v_{\text{avg}}

of a body whose velocity changes uniformly from

u

to

v

? (a)

\sqrt{uv}

(b)

\dfrac{2uv}{u+v}

(c)

\dfrac{u+v}{2}

(d)

\dfrac{v-u}{2}

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