What is the expression for the change in kinetic energy of a body of mass whose speed…

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

Problem

What is the expression for the change in kinetic energy of a body of mass

m

whose speed increases from

u

v

? (a)

m u (v-u)

(b)

m(v^{2}-u^{2})

(c)

\dfrac{1}{2}\,m\,(v^{2}-u^{2})

(d)

\dfrac{1}{2}\,m\,(v-u)^{2}